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diff --git a/doc/gawk.info b/doc/gawk.info index a8b6450b..06b8e119 100644 --- a/doc/gawk.info +++ b/doc/gawk.info @@ -94,7 +94,7 @@ texts being (a) (see below), and with the Back-Cover Texts being (b) * Library Functions:: A Library of `awk' Functions. * Sample Programs:: Many `awk' programs with complete explanations. -* Debugger:: The `dgawk' debugger. +* Debugger:: The `gawk' debugger. * Language History:: The evolution of the `awk' language. * Installation:: Installing `gawk' under various @@ -417,23 +417,23 @@ texts being (a) (see below), and with the Back-Cover Texts being (b) * Anagram Program:: Finding anagrams from a dictionary. * Signature Program:: People do amazing things with too much time on their hands. -* Debugging:: Introduction to `dgawk'. -* Debugging Concepts:: Debugging In General. +* Debugging:: Introduction to `gawk' Debugger. +* Debugging Concepts:: Debugging in General. * Debugging Terms:: Additional Debugging Concepts. * Awk Debugging:: Awk Debugging. -* Sample dgawk session:: Sample `dgawk' session. -* dgawk invocation:: `dgawk' Invocation. -* Finding The Bug:: Finding The Bug. -* List of Debugger Commands:: Main `dgawk' Commands. -* Breakpoint Control:: Control of breakpoints. -* Dgawk Execution Control:: Control of execution. -* Viewing And Changing Data:: Viewing and changing data. -* Dgawk Stack:: Dealing with the stack. -* Dgawk Info:: Obtaining information about the program and - the debugger state. -* Miscellaneous Dgawk Commands:: Miscellaneous Commands. +* Sample Debugging Session:: Sample Debugging Session. +* Debugger Invocation:: How to Start the Debugger. +* Finding The Bug:: Finding the Bug. +* List of Debugger Commands:: Main Commands. +* Breakpoint Control:: Control of Breakpoints. +* Debugger Execution Control:: Control of Execution. +* Viewing And Changing Data:: Viewing and Changing Data. +* Execution Stack:: Dealing with the Stack. +* Debugger Info:: Obtaining Information about the Program and + the Debugger State. +* Miscellaneous Debugger Commands:: Miscellaneous Commands. * Readline Support:: Readline Support. -* Dgawk Limitations:: Limitations and future plans. +* Limitations:: Limitations and Future Plans. * V7/SVR3.1:: The major changes between V7 and System V Release 3.1. * SVR4:: Minor changes between System V Releases 3.1 @@ -489,6 +489,7 @@ texts being (a) (see below), and with the Back-Cover Texts being (b) * Internals:: A brief look at some `gawk' internals. * Plugin License:: A note about licensing. +* Loading Extensions:: How to load dynamic extensions. * Sample Library:: A example of new functions. * Internal File Description:: What the new functions will do. * Internal File Ops:: The code for internal file operations. @@ -849,7 +850,7 @@ and profile your `awk' programs. sample `awk' programs. Reading them allows you to see `awk' solving real problems. - *note Debugger::, describes the `awk' debugger, `dgawk'. + *note Debugger::, describes the `awk' debugger. *note Language History::, describes how the `awk' language has evolved since its first release to present. It also describes how @@ -2215,6 +2216,15 @@ The following list describes options mandated by the POSIX standard: particularly easy mistake to make with simple variable names like `i', `j', etc.) +`-D[FILE]' +`--debug=[FILE]' + Enable debugging of `awk' programs (*note Debugging::). By + default, the debugger reads commands interactively from the + terminal. The optional FILE argument allows you to specify a file + with a list of commands for the debugger to execute + non-interactively. No space is allowed between the `-D' and FILE, + if FILE is supplied. + `-e PROGRAM-TEXT' `--source PROGRAM-TEXT' Provide program source code in the PROGRAM-TEXT. This option @@ -2257,6 +2267,13 @@ The following list describes options mandated by the POSIX standard: Print a "usage" message summarizing the short and long style options that `gawk' accepts and then exit. +`-l LIB' +`--load LIB' + Load a shared library LIB. This searches for the library using the + `AWKPATH' environment variable. The suffix `.so' in the library + name is optional. The library initialization routine should be + named `dlload()'. + `-L [value]' `--lint[=value]' Warn about constructs that are dubious or nonportable to other @@ -2289,6 +2306,14 @@ The following list describes options mandated by the POSIX standard: Force the use of the locale's decimal point character when parsing numeric input data (*note Locales::). +`-o[FILE]' +`--pretty-print[=FILE]' + Enable pretty-printing of `awk' programs. By default, output + program is created in a file named `awkprof.out'. The optional + FILE argument allows you to specify a different file name for the + output. No space is allowed between the `-o' and FILE, if FILE is + supplied. + `-O' `--optimize' Enable some optimizations on the internal representation of the @@ -2304,10 +2329,9 @@ The following list describes options mandated by the POSIX standard: for the profile file. No space is allowed between the `-p' and FILE, if FILE is supplied. - When run with `gawk', the profile is just a "pretty printed" - version of the program. When run with `pgawk', the profile - contains execution counts for each statement in the program in the - left margin, and function call counts for each function. + The profile contains execution counts for each statement in the + program in the left margin, and function call counts for each + function. `-P' `--posix' @@ -2341,11 +2365,6 @@ The following list describes options mandated by the POSIX standard: remains both for backward compatibility, and for use in combination with the `--traditional' option. -`-R FILE' -`--command=FILE' - `dgawk' only. Read `dgawk' debugger options and commands from - FILE. *Note Dgawk Info::, for more information. - `-S' `--sandbox' Disable the `system()' function, input redirections with `getline', @@ -14115,25 +14134,22 @@ File: gawk.info, Node: Profiling, Prev: TCP/IP Networking, Up: Advanced Featu ================================== You may produce execution traces of your `awk' programs. This is done -with a specially compiled version of `gawk', called `pgawk' ("profiling -`gawk'"). - - `pgawk' is identical in every way to `gawk', except that when it has -finished running, it creates a profile of your program in a file named -`awkprof.out'. Because it is profiling, it also executes up to 45% +by passing the option `--profile' to `gawk'. When `gawk' has finished +running, it creates a profile of your program in a file named +`awkprof.out'. Because it is profiling, it also executes up to 45% slower than `gawk' normally does. As shown in the following example, the `--profile' option can be -used to change the name of the file where `pgawk' will write the -profile: +used to change the name of the file where `gawk' will write the profile: - pgawk --profile=myprog.prof -f myprog.awk data1 data2 + gawk --profile=myprog.prof -f myprog.awk data1 data2 -In the above example, `pgawk' places the profile in `myprog.prof' +In the above example, `gawk' places the profile in `myprog.prof' instead of in `awkprof.out'. Here is a sample session showing a simple `awk' program, its input -data, and the results from running `pgawk'. First, the `awk' program: +data, and the results from running `gawk' with the `--profile' option. +First, the `awk' program: BEGIN { print "First BEGIN rule" } @@ -14169,9 +14185,9 @@ data, and the results from running `pgawk'. First, the `awk' program: foo junk - Here is the `awkprof.out' that results from running `pgawk' on this -program and data (this example also illustrates that `awk' programmers -sometimes have to work late): + Here is the `awkprof.out' that results from running the `gawk' +profiler on this program and data (this example also illustrates that +`awk' programmers sometimes have to work late): # gawk profile, created Sun Aug 13 00:00:15 2000 @@ -14260,14 +14276,14 @@ output. They are as follows: redirection. Similarly, if the target of a redirection isn't a scalar, it gets parenthesized. - * `pgawk' supplies leading comments in front of the `BEGIN' and - `END' rules, the pattern/action rules, and the functions. + * `gawk' supplies leading comments in front of the `BEGIN' and `END' + rules, the pattern/action rules, and the functions. The profiled version of your program may not look exactly like what -you typed when you wrote it. This is because `pgawk' creates the +you typed when you wrote it. This is because `gawk' creates the profiled version by "pretty printing" its internal representation of -the program. The advantage to this is that `pgawk' can produce a +the program. The advantage to this is that `gawk' can produce a standard representation. The disadvantage is that all source-code comments are lost, as are the distinctions among multiple `BEGIN', `END', `BEGINFILE', and `ENDFILE' rules. Also, things such as: @@ -14282,21 +14298,23 @@ come out as: which is correct, but possibly surprising. - Besides creating profiles when a program has completed, `pgawk' can + Besides creating profiles when a program has completed, `gawk' can produce a profile while it is running. This is useful if your `awk' program goes into an infinite loop and you want to see what has been -executed. To use this feature, run `pgawk' in the background: +executed. To use this feature, run `gawk' with the `--profile' option +in the background: - $ pgawk -f myprog & + $ gawk --profile -f myprog & [1] 13992 The shell prints a job number and process ID number; in this case, -13992. Use the `kill' command to send the `USR1' signal to `pgawk': +13992. Use the `kill' command to send the `USR1' signal to `gawk': $ kill -USR1 13992 As usual, the profiled version of the program is written to -`awkprof.out', or to a different file if you use the `--profile' option. +`awkprof.out', or to a different file if one specified with the +`--profile' option. Along with the regular profile, as shown earlier, the profile includes a trace of any active functions: @@ -14308,22 +14326,22 @@ includes a trace of any active functions: # 1. foo # -- main -- - You may send `pgawk' the `USR1' signal as many times as you like. + You may send `gawk' the `USR1' signal as many times as you like. Each time, the profile and function call trace are appended to the output profile file. - If you use the `HUP' signal instead of the `USR1' signal, `pgawk' + If you use the `HUP' signal instead of the `USR1' signal, `gawk' produces the profile and the function call trace and then exits. - When `pgawk' runs on MS-Windows systems, it uses the `INT' and -`QUIT' signals for producing the profile and, in the case of the `INT' -signal, `pgawk' exits. This is because these systems don't support the -`kill' command, so the only signals you can deliver to a program are -those generated by the keyboard. The `INT' signal is generated by the + When `gawk' runs on MS-Windows systems, it uses the `INT' and `QUIT' +signals for producing the profile and, in the case of the `INT' signal, +`gawk' exits. This is because these systems don't support the `kill' +command, so the only signals you can deliver to a program are those +generated by the keyboard. The `INT' signal is generated by the `Ctrl-<C>' or `Ctrl-<BREAK>' key, while the `QUIT' signal is generated by the `Ctrl-<\>' key. - Finally, regular `gawk' also accepts the `--profile' option. When + Finally, `gawk' also accepts another option `--pretty-print'. When called this way, `gawk' "pretty prints" the program into `awkprof.out', without any execution counts. @@ -18702,45 +18720,46 @@ supplies the following copyright terms: File: gawk.info, Node: Debugger, Next: Language History, Prev: Sample Programs, Up: Top -14 `dgawk': The `awk' Debugger -****************************** +14 Debugging `awk' Programs +*************************** It would be nice if computer programs worked perfectly the first time they were run, but in real life, this rarely happens for programs of any complexity. Thus, most programming languages have facilities available for "debugging" programs, and now `awk' is no exception. - The `dgawk' debugger is purposely modeled after the GNU Debugger + The `gawk' debugger is purposely modeled after the GNU Debugger (GDB) (http://www.gnu.org/software/gdb/) command-line debugger. If you -are familiar with GDB, learning `dgawk' is easy. +are familiar with GDB, learning how to use `gawk' for debugging your +program is easy. * Menu: -* Debugging:: Introduction to `dgawk'. -* Sample dgawk session:: Sample `dgawk' session. -* List of Debugger Commands:: Main `dgawk' Commands. -* Readline Support:: Readline Support. -* Dgawk Limitations:: Limitations and future plans. +* Debugging:: Introduction to `gawk' debugger. +* Sample Debugging Session:: Sample debugging session. +* List of Debugger Commands:: Main debugger commands. +* Readline Support:: Readline support. +* Limitations:: Limitations and future plans. -File: gawk.info, Node: Debugging, Next: Sample dgawk session, Up: Debugger +File: gawk.info, Node: Debugging, Next: Sample Debugging Session, Up: Debugger -14.1 Introduction to `dgawk' -============================ +14.1 Introduction to `gawk' Debugger +==================================== This minor node introduces debugging in general and begins the discussion of debugging in `gawk'. * Menu: -* Debugging Concepts:: Debugging In General. +* Debugging Concepts:: Debugging in General. * Debugging Terms:: Additional Debugging Concepts. * Awk Debugging:: Awk Debugging. File: gawk.info, Node: Debugging Concepts, Next: Debugging Terms, Up: Debugging -14.1.1 Debugging In General +14.1.1 Debugging in General --------------------------- (If you have used debuggers in other languages, you may want to skip @@ -18784,9 +18803,8 @@ File: gawk.info, Node: Debugging Terms, Next: Awk Debugging, Prev: Debugging ------------------------------------ Before diving in to the details, we need to introduce several important -concepts that apply to just about all debuggers, including `dgawk'. -The following list defines terms used throughout the rest of this -major node. +concepts that apply to just about all debuggers. The following list +defines terms used throughout the rest of this major node. "Stack Frame" Programs generally call functions during the course of their @@ -18804,11 +18822,11 @@ major node. needed to manage the call stack. This data area is termed a "stack frame". - `gawk' also follows this model, and `dgawk' gives you access to - the call stack and to each stack frame. You can see the call - stack, as well as from where each function on the stack was - invoked. Commands that print the call stack print information about - each stack frame (as detailed later on). + `gawk' also follows this model, and gives you access to the call + stack and to each stack frame. You can see the call stack, as well + as from where each function on the stack was invoked. Commands + that print the call stack print information about each stack frame + (as detailed later on). "Breakpoint" During debugging, you often wish to let the program run until it @@ -18853,54 +18871,57 @@ individual primitive instructions carried out by the higher-level `awk' commands. -File: gawk.info, Node: Sample dgawk session, Next: List of Debugger Commands, Prev: Debugging, Up: Debugger +File: gawk.info, Node: Sample Debugging Session, Next: List of Debugger Commands, Prev: Debugging, Up: Debugger -14.2 Sample `dgawk' session -=========================== +14.2 Sample Debugging Session +============================= -In order to illustrate the use of `dgawk', let's look at a sample -debugging session. We will use the `awk' implementation of the POSIX -`uniq' command described earlier (*note Uniq Program::) as our example. +In order to illustrate the use of `gawk' as a debugger, let's look at a +sample debugging session. We will use the `awk' implementation of the +POSIX `uniq' command described earlier (*note Uniq Program::) as our +example. * Menu: -* dgawk invocation:: `dgawk' Invocation. -* Finding The Bug:: Finding The Bug. +* Debugger Invocation:: How to Start the Debugger. +* Finding The Bug:: Finding the Bug. -File: gawk.info, Node: dgawk invocation, Next: Finding The Bug, Up: Sample dgawk session +File: gawk.info, Node: Debugger Invocation, Next: Finding The Bug, Up: Sample Debugging Session -14.2.1 `dgawk' Invocation -------------------------- +14.2.1 How to Start the Debugger +-------------------------------- -Starting `dgawk' is exactly like running `awk'. The file(s) containing -the program and any supporting code are given on the command line as -arguments to one or more `-f' options. (`dgawk' is not designed to -debug command-line programs, only programs contained in files.) In our -case, we call `dgawk' like this: +Starting the debugger is almost exactly like running `awk', except you +have to pass an additional option `--debug' or the corresponding short +option `-D'. The file(s) containing the program and any supporting +code are given on the command line as arguments to one or more `-f' +options. (`gawk' is not designed to debug command-line programs, only +programs contained in files.) In our case, we invoke the debugger like +this: - $ dgawk -f getopt.awk -f join.awk -f uniq.awk inputfile + $ gawk -D -f getopt.awk -f join.awk -f uniq.awk inputfile where both `getopt.awk' and `uniq.awk' are in `$AWKPATH'. (Experienced users of GDB or similar debuggers should note that this syntax is -slightly different from what they are used to. With `dgawk', the -arguments for running the program are given in the command line to the -debugger rather than as part of the `run' command at the debugger +slightly different from what they are used to. With `gawk' debugger, +the arguments for running the program are given in the command line to +the debugger rather than as part of the `run' command at the debugger prompt.) Instead of immediately running the program on `inputfile', as `gawk' -would ordinarily do, `dgawk' merely loads all the program source files, -compiles them internally, and then gives us a prompt: +would ordinarily do, the debugger merely loads all the program source +files, compiles them internally, and then gives us a prompt: - dgawk> + gawk> from which we can issue commands to the debugger. At this point, no code has been executed. -File: gawk.info, Node: Finding The Bug, Prev: dgawk invocation, Up: Sample dgawk session +File: gawk.info, Node: Finding The Bug, Prev: Debugger Invocation, Up: Sample Debugging Session -14.2.2 Finding The Bug +14.2.2 Finding the Bug ---------------------- Let's say that we are having a problem using (a faulty version of) @@ -18930,27 +18951,27 @@ for a breakpoint in `uniq.awk' is at the beginning of the function `are_equal()', which compares the current line with the previous one. To set the breakpoint, use the `b' (breakpoint) command: - dgawk> b are_equal + gawk> b are_equal -| Breakpoint 1 set at file `awklib/eg/prog/uniq.awk', line 64 The debugger tells us the file and line number where the breakpoint is. Now type `r' or `run' and the program runs until it hits the breakpoint for the first time: - dgawk> r + gawk> r -| Starting program: -| Stopping in Rule ... -| Breakpoint 1, are_equal(n, m, clast, cline, alast, aline) at `awklib/eg/prog/uniq.awk':64 -| 64 if (fcount == 0 && charcount == 0) - dgawk> + gawk> Now we can look at what's going on inside our program. First of all, let's see how we got to where we are. At the prompt, we type `bt' -(short for "backtrace"), and `dgawk' responds with a listing of the -current stack frames: +(short for "backtrace"), and the debugger responds with a listing of +the current stack frames: - dgawk> bt + gawk> bt -| #0 are_equal(n, m, clast, cline, alast, aline) at `awklib/eg/prog/uniq.awk':69 -| #1 in main() at `awklib/eg/prog/uniq.awk':89 @@ -18964,9 +18985,9 @@ the key to finding the source of the problem.) Now that we're in `are_equal()', we can start looking at the values of some variables. Let's say we type `p n' (`p' is short for "print"). We would expect to see the value of `n', a parameter to `are_equal()'. -Actually, `dgawk' gives us: +Actually, the debugger gives us: - dgawk> p n + gawk> p n -| n = untyped variable In this case, `n' is an uninitialized local variable, since the @@ -18974,13 +18995,13 @@ function was called without arguments (*note Function Calls::). A more useful variable to display might be the current record: - dgawk> p $0 + gawk> p $0 -| $0 = string ("gawk is a wonderful program!") This might be a bit puzzling at first since this is the second line of our test input above. Let's look at `NR': - dgawk> p NR + gawk> p NR -| NR = number (2) So we can see that `are_equal()' was only called for the second record @@ -18994,7 +19015,7 @@ for `NR == 1': OK, let's just check that that rule worked correctly: - dgawk> p last + gawk> p last -| last = string ("awk is a wonderful program!") Everything we have done so far has verified that the program has @@ -19003,7 +19024,7 @@ the problem must be inside this function. To investigate further, we must begin "stepping through" the lines of `are_equal()'. We start by typing `n' (for "next"): - dgawk> n + gawk> n -| 67 if (fcount > 0) { This tells us that `gawk' is now ready to execute line 67, which @@ -19019,15 +19040,15 @@ was false.) Continuing to step, we now get to the splitting of the current and last records: - dgawk> n + gawk> n -| 68 n = split(last, alast) - dgawk> n + gawk> n -| 69 m = split($0, aline) At this point, we should be curious to see what our records were split into, so we try to look: - dgawk> p n m alast aline + gawk> p n m alast aline -| n = number (5) -| m = number (5) -| alast = array, 5 elements @@ -19043,19 +19064,19 @@ want to see inside the array? The first choice would be to use subscripts: - dgawk> p alast[0] + gawk> p alast[0] -| "0" not in array `alast' Oops! - dgawk> p alast[1] + gawk> p alast[1] -| alast["1"] = string ("awk") - This would be kind of slow for a 100-member array, though, so -`dgawk' provides a shortcut (reminiscent of another language not to be + This would be kind of slow for a 100-member array, though, so `gawk' +provides a shortcut (reminiscent of another language not to be mentioned): - dgawk> p @alast + gawk> p @alast -| alast["1"] = string ("awk") -| alast["2"] = string ("is") -| alast["3"] = string ("a") @@ -19064,9 +19085,9 @@ mentioned): It looks like we got this far OK. Let's take another step or two: - dgawk> n + gawk> n -| 70 clast = join(alast, fcount, n) - dgawk> n + gawk> n -| 71 cline = join(aline, fcount, m) Well, here we are at our error (sorry to spoil the suspense). What @@ -19074,7 +19095,7 @@ we had in mind was to join the fields starting from the second one to make the virtual record to compare, and if the first field was numbered zero, this would work. Let's look at what we've got: - dgawk> p cline clast + gawk> p cline clast -| cline = string ("gawk is a wonderful program!") -| clast = string ("awk is a wonderful program!") @@ -19082,9 +19103,9 @@ zero, this would work. Let's look at what we've got: unaltered, input records. A little thinking (the human brain is still the best debugging tool), and we realize that we were off by one! - We get out of `dgawk': + We get out of the debugger: - dgawk> q + gawk> q -| The program is running. Exit anyway (y/n)? y Then we get into an editor: @@ -19095,12 +19116,13 @@ Then we get into an editor: and problem solved! -File: gawk.info, Node: List of Debugger Commands, Next: Readline Support, Prev: Sample dgawk session, Up: Debugger +File: gawk.info, Node: List of Debugger Commands, Next: Readline Support, Prev: Sample Debugging Session, Up: Debugger -14.3 Main `dgawk' Commands -========================== +14.3 Main Debugger Commands +=========================== -The `dgawk' command set can be divided into the following categories: +The `gawk' debugger command set can be divided into the following +categories: * Breakpoint control @@ -19116,26 +19138,26 @@ The `dgawk' command set can be divided into the following categories: Each of these are discussed in the following subsections. In the following descriptions, commands which may be abbreviated show the -abbreviation on a second description line. A `dgawk' command name may -also be truncated if that partial name is unambiguous. `dgawk' has the -built-in capability to automatically repeat the previous command when -just hitting <Enter>. This works for the commands `list', `next', +abbreviation on a second description line. A debugger command name may +also be truncated if that partial name is unambiguous. The debugger has +the built-in capability to automatically repeat the previous command +when just hitting <Enter>. This works for the commands `list', `next', `nexti', `step', `stepi' and `continue' executed without any argument. * Menu: -* Breakpoint Control:: Control of breakpoints. -* Dgawk Execution Control:: Control of execution. -* Viewing And Changing Data:: Viewing and changing data. -* Dgawk Stack:: Dealing with the stack. -* Dgawk Info:: Obtaining information about the program and - the debugger state. -* Miscellaneous Dgawk Commands:: Miscellaneous Commands. +* Breakpoint Control:: Control of Breakpoints. +* Debugger Execution Control:: Control of Execution. +* Viewing And Changing Data:: Viewing and Changing Data. +* Execution Stack:: Dealing with the Stack. +* Debugger Info:: Obtaining Information about the Program and + the Debugger State. +* Miscellaneous Debugger Commands:: Miscellaneous Commands. -File: gawk.info, Node: Breakpoint Control, Next: Dgawk Execution Control, Up: List of Debugger Commands +File: gawk.info, Node: Breakpoint Control, Next: Debugger Execution Control, Up: List of Debugger Commands -14.3.1 Control Of Breakpoints +14.3.1 Control of Breakpoints ----------------------------- As we saw above, the first thing you probably want to do in a debugging @@ -19163,10 +19185,10 @@ controlling breakpoints are: it from the breakpoint list using the `delete' command. With a breakpoint, you may also supply a condition. This is an - `awk' expression (enclosed in double quotes) that `dgawk' + `awk' expression (enclosed in double quotes) that the debugger evaluates whenever the breakpoint is reached. If the condition is - true, then `dgawk' stops execution and prompts for a command. - Otherwise, `dgawk' continues executing the program. + true, then the debugger stops execution and prompts for a command. + Otherwise, it continues executing the program. `clear' [[FILENAME`:']N | FUNCTION] Without any argument, delete any breakpoint at the next instruction @@ -19188,12 +19210,13 @@ controlling breakpoints are: `condition' N `"EXPRESSION"' Add a condition to existing breakpoint or watchpoint N. The - condition is an `awk' expression that `dgawk' evaluates whenever - the breakpoint or watchpoint is reached. If the condition is true, - then `dgawk' stops execution and prompts for a command. Otherwise, - `dgawk' continues executing the program. If the condition - expression is not specified, any existing condition is removed; - i.e., the breakpoint or watchpoint is made unconditional. + condition is an `awk' expression that the debugger evaluates + whenever the breakpoint or watchpoint is reached. If the condition + is true, then the debugger stops execution and prompts for a + command. Otherwise, the debugger continues executing the program. + If the condition expression is not specified, any existing + condition is removed; i.e., the breakpoint or watchpoint is made + unconditional. `delete' [N1 N2 ...] [N-M] `d' [N1 N2 ...] [N-M] @@ -19227,7 +19250,7 @@ controlling breakpoints are: arguments are the same as for `break'. -File: gawk.info, Node: Dgawk Execution Control, Next: Viewing And Changing Data, Prev: Breakpoint Control, Up: List of Debugger Commands +File: gawk.info, Node: Debugger Execution Control, Next: Viewing And Changing Data, Prev: Breakpoint Control, Up: List of Debugger Commands 14.3.2 Control of Execution --------------------------- @@ -19250,14 +19273,14 @@ execution of the program than we saw in our earlier example: `continue') terminates the list (an implicit `end'), and subsequent commands are ignored. For example: - dgawk> commands + gawk> commands > silent > printf "A silent breakpoint; i = %d\n", i > info locals > set i = 10 > continue > end - dgawk> + gawk> `continue' [COUNT] `c' [COUNT] @@ -19290,9 +19313,9 @@ execution of the program than we saw in our earlier example: `run' `r' - Start/restart execution of the program. When restarting, `dgawk' - retains the current breakpoints, watchpoints, command history, - automatic display variables, and debugger options. + Start/restart execution of the program. When restarting, the + debugger retains the current breakpoints, watchpoints, command + history, automatic display variables, and debugger options. `step' [COUNT] `s' [COUNT] @@ -19307,7 +19330,7 @@ execution of the program than we saw in our earlier example: Execute one (or COUNT) instruction(s), stepping inside function calls. (For illustration of what is meant by an "instruction" in `gawk', see the output shown under `dump' in *note Miscellaneous - Dgawk Commands::.) + Debugger Commands::.) `until' [[FILENAME`:']N | FUNCTION] `u' [[FILENAME`:']N | FUNCTION] @@ -19317,7 +19340,7 @@ execution of the program than we saw in our earlier example: current stack frame returns. -File: gawk.info, Node: Viewing And Changing Data, Next: Dgawk Stack, Prev: Dgawk Execution Control, Up: List of Debugger Commands +File: gawk.info, Node: Viewing And Changing Data, Next: Execution Stack, Prev: Debugger Execution Control, Up: List of Debugger Commands 14.3.3 Viewing and Changing Data -------------------------------- @@ -19329,7 +19352,7 @@ The commands for viewing and changing variables inside of `gawk' are: of the variable or field is displayed each time the program stops. Each variable added to the list is identified by a unique number: - dgawk> display x + gawk> display x -| 10: x = 1 displays the assigned item number, the variable name and its @@ -19357,7 +19380,7 @@ AWK STATEMENTS Print the value of a `gawk' variable or field. Fields must be referenced by constants: - dgawk> print $3 + gawk> print $3 This prints the third field in the input record (if the specified field does not exist, it prints `Null field'). A variable can be @@ -19385,16 +19408,16 @@ AWK STATEMENTS `watch' VAR | `$'N [`"EXPRESSION"'] `w' VAR | `$'N [`"EXPRESSION"'] - Add variable VAR (or field `$N') to the watch list. `dgawk' then - stops whenever the value of the variable or field changes. Each - watched item is assigned a number which can be used to delete it - from the watch list using the `unwatch' command. + Add variable VAR (or field `$N') to the watch list. The debugger + then stops whenever the value of the variable or field changes. + Each watched item is assigned a number which can be used to delete + it from the watch list using the `unwatch' command. With a watchpoint, you may also supply a condition. This is an - `awk' expression (enclosed in double quotes) that `dgawk' + `awk' expression (enclosed in double quotes) that the debugger evaluates whenever the watchpoint is reached. If the condition is - true, then `dgawk' stops execution and prompts for a command. - Otherwise, `dgawk' continues executing the program. + true, then the debugger stops execution and prompts for a command. + Otherwise, `gawk' continues executing the program. `undisplay' [N] Remove item number N (or all items, if no argument) from the @@ -19406,9 +19429,9 @@ AWK STATEMENTS -File: gawk.info, Node: Dgawk Stack, Next: Dgawk Info, Prev: Viewing And Changing Data, Up: List of Debugger Commands +File: gawk.info, Node: Execution Stack, Next: Debugger Info, Prev: Viewing And Changing Data, Up: List of Debugger Commands -14.3.4 Dealing With The Stack +14.3.4 Dealing with the Stack ----------------------------- Whenever you run a program which contains any function calls, `gawk' @@ -19443,16 +19466,17 @@ are: frame. Then select and print the frame. -File: gawk.info, Node: Dgawk Info, Next: Miscellaneous Dgawk Commands, Prev: Dgawk Stack, Up: List of Debugger Commands +File: gawk.info, Node: Debugger Info, Next: Miscellaneous Debugger Commands, Prev: Execution Stack, Up: List of Debugger Commands -14.3.5 Obtaining Information About The Program and The Debugger State +14.3.5 Obtaining Information about the Program and the Debugger State --------------------------------------------------------------------- Besides looking at the values of variables, there is often a need to get other sorts of information about the state of your program and of the -debugging environment itself. `dgawk' has one command which provides -this information, appropriately called `info'. `info' is used with one -of a number of arguments that tell it exactly what you want to know: +debugging environment itself. The `gawk' debugger has one command which +provides this information, appropriately called `info'. `info' is used +with one of a number of arguments that tell it exactly what you want to +know: `info' WHAT `i' WHAT @@ -19480,10 +19504,10 @@ of a number of arguments that tell it exactly what you want to know: `source' The name of the current source file. Each time the program stops, the current source file is the file containing the - current instruction. When `dgawk' first starts, the current - source file is the first file included via the `-f' option. - The `list FILENAME:LINENO' command can be used at any time to - change the current source. + current instruction. When the debugger first starts, the + current source file is the first file included via the `-f' + option. The `list FILENAME:LINENO' command can be used at any + time to change the current source. `sources' List all program sources. @@ -19507,7 +19531,7 @@ from a file. The commands are: `history_size' The maximum number of lines to keep in the history file - `./.dgawk_history'. The default is 100. + `./.gawk_history'. The default is 100. `listsize' The number of lines that `list' prints. The default is 15. @@ -19518,14 +19542,14 @@ from a file. The commands are: standard output. `prompt' - The debugger prompt. The default is `dgawk> '. + The debugger prompt. The default is `gawk> '. `save_history [on | off]' - Save command history to file `./.dgawk_history'. The default + Save command history to file `./.gawk_history'. The default is `on'. `save_options [on | off]' - Save current options to file `./.dgawkrc' upon exit. The + Save current options to file `./.gawkrc' upon exit. The default is `on'. Options are read back in to the next session upon startup. @@ -19543,15 +19567,15 @@ from a file. The commands are: ignored; they do _not_ repeat the last command. You can't restart the program by having more than one `run' command in the file. Also, the list of commands may include additional `source' - commands; however, `dgawk' will not source the same file more than - once in order to avoid infinite recursion. + commands; however, the `gawk' debugger will not source the same + file more than once in order to avoid infinite recursion. In addition to, or instead of the `source' command, you can use - the `-R FILE' or `--command=FILE' command-line options to execute + the `-D FILE' or `--debug=FILE' command-line options to execute commands from a file non-interactively (*note Options::. -File: gawk.info, Node: Miscellaneous Dgawk Commands, Prev: Dgawk Info, Up: List of Debugger Commands +File: gawk.info, Node: Miscellaneous Debugger Commands, Prev: Debugger Info, Up: List of Debugger Commands 14.3.6 Miscellaneous Commands ----------------------------- @@ -19567,7 +19591,7 @@ categories, as follows: partial dump of Davide Brini's obfuscated code (*note Signature Program::) demonstrates: - dgawk> dump + gawk> dump -| # BEGIN -| -| [ 2:0x89faef4] Op_rule : [in_rule = BEGIN] [source_file = brini.awk] @@ -19616,13 +19640,13 @@ categories, as follows: -| [ :0x89fa3b0] Op_after_beginfile : -| [ :0x89fa388] Op_no_op : -| [ :0x89fa3c4] Op_after_endfile : - dgawk> + gawk> `help' `h' - Print a list of all of the `dgawk' commands with a short summary - of their usage. `help COMMAND' prints the information about the - command COMMAND. + Print a list of all of the `gawk' debugger commands with a short + summary of their usage. `help COMMAND' prints the information + about the command COMMAND. `list' [`-' | `+' | N | FILENAME`:'N | N-M | FUNCTION] `l' [`-' | `+' | N | FILENAME`:'N | N-M | FUNCTION] @@ -19656,7 +19680,7 @@ categories, as follows: Exit the debugger. Debugging is great fun, but sometimes we all have to tend to other obligations in life, and sometimes we find the bug, and are free to go on to the next one! As we saw above, - if you are running a program, `dgawk' warns you if you + if you are running a program, the debugger warns you if you accidentally type `q' or `quit', to make sure you really want to quit. @@ -19671,12 +19695,12 @@ categories, as follows: -File: gawk.info, Node: Readline Support, Next: Dgawk Limitations, Prev: List of Debugger Commands, Up: Debugger +File: gawk.info, Node: Readline Support, Next: Limitations, Prev: List of Debugger Commands, Up: Debugger 14.4 Readline Support ===================== -If `dgawk' is compiled with the `readline' library, you can take +If `gawk' is compiled with the `readline' library, you can take advantage of that library's command completion and history expansion features. The following types of completion are available: @@ -19698,27 +19722,27 @@ Variable name completion -File: gawk.info, Node: Dgawk Limitations, Prev: Readline Support, Up: Debugger +File: gawk.info, Node: Limitations, Prev: Readline Support, Up: Debugger 14.5 Limitations and Future Plans ================================= -We hope you find `dgawk' useful and enjoyable to work with, but as with -any program, especially in its early releases, it still has some -limitations. A few which are worth being aware of are: +We hope you find the `gawk' debugger useful and enjoyable to work with, +but as with any program, especially in its early releases, it still has +some limitations. A few which are worth being aware of are: - * At this point, `dgawk' does not give a detailed explanation of + * At this point, the debugger does not give a detailed explanation of what you did wrong when you type in something it doesn't like. Rather, it just responds `syntax error'. When you do figure out what your mistake was, though, you'll feel like a real guru. - * If you perused the dump of opcodes in *note Miscellaneous Dgawk + * If you perused the dump of opcodes in *note Miscellaneous Debugger Commands::, (or if you are already familiar with `gawk' internals), you will realize that much of the internal manipulation of data in `gawk', as in many interpreters, is done on a stack. `Op_push', `Op_pop', etc., are the "bread and butter" of most `gawk' code. - Unfortunately, as of now, `dgawk' does not allow you to examine - the stack's contents. + Unfortunately, as of now, the `gawk' debugger does not allow you + to examine the stack's contents. That is, the intermediate results of expression evaluation are on the stack, but cannot be printed. Rather, only variables which @@ -19731,13 +19755,15 @@ limitations. A few which are worth being aware of are: expressions to see if you got it right. As an `awk' programmer, you are expected to know what `/[^[:alnum:][:blank:]]/' means. - * `dgawk' is designed to be used by running a program (with all its - parameters) on the command line, as described in *note dgawk - invocation::. There is no way (as of now) to attach or "break in" - to a running program. This seems reasonable for a language which - is used mainly for quickly executing, short programs. + * The `gawk' debugger is designed to be used by running a program + (with all its parameters) on the command line, as described in + *note Debugger Invocation::. There is no way (as of now) to + attach or "break in" to a running program. This seems reasonable + for a language which is used mainly for quickly executing, short + programs. - * `dgawk' only accepts source supplied with the `-f' option. + * The `gawk' debugger only accepts source supplied with the `-f' + option. Look forward to a future release when these and other missing features may be added, and of course feel free to try to add them @@ -20313,7 +20339,7 @@ Info file, in approximate chronological order: Windows32 environments. (This is no longer supported) * John Haque reworked the `gawk' internals to use a byte-code engine, - providing the `dgawk' debugger for `awk' programs. + providing the `gawk' debugger for `awk' programs. * Efraim Yawitz contributed the original text for *note Debugger::. @@ -21330,9 +21356,10 @@ Unix `awk' `pawk' Nelson H.F. Beebe at the University of Utah has modified Brian Kernighan's `awk' to provide timing and profiling information. It - is different from `pgawk' (*note Profiling::), in that it uses - CPU-based profiling, not line-count profiling. You may find it at - either `ftp://ftp.math.utah.edu/pub/pawk/pawk-20030606.tar.gz' or + is different from `gawk' with the `--profile' option. (*note + Profiling::), in that it uses CPU-based profiling, not line-count + profiling. You may find it at either + `ftp://ftp.math.utah.edu/pub/pawk/pawk-20030606.tar.gz' or `http://www.math.utah.edu/pub/pawk/pawk-20030606.tar.gz'. Busybox Awk @@ -21729,6 +21756,7 @@ is necessary when reading this minor node. * Internals:: A brief look at some `gawk' internals. * Plugin License:: A note about licensing. +* Loading Extensions:: How to load dynamic extensions. * Sample Library:: A example of new functions. @@ -21928,7 +21956,7 @@ function parameter. just blindly copy this code. -File: gawk.info, Node: Plugin License, Next: Sample Library, Prev: Internals, Up: Dynamic Extensions +File: gawk.info, Node: Plugin License, Next: Loading Extensions, Prev: Internals, Up: Dynamic Extensions C.3.2 Extension Licensing ------------------------- @@ -21945,9 +21973,54 @@ the symbol exists in the global scope. Something like this is enough: int plugin_is_GPL_compatible; -File: gawk.info, Node: Sample Library, Prev: Plugin License, Up: Dynamic Extensions +File: gawk.info, Node: Loading Extensions, Next: Sample Library, Prev: Plugin License, Up: Dynamic Extensions + +C.3.3 Loading a Dynamic Extension +--------------------------------- + +There are two ways to load a dynamically linked library. The first is +to use the builtin `extension()': + + extension(libname, init_func) + + where `libname' is the library to load, and `init_func' is the name +of the initialization or bootstrap routine to run once loaded. + + The second method for dynamic loading of a library is to use the +command line option `-l': + + $ gawk -l libname -f myprog + + This will work only if the initialization routine is named +`dlload()'. + + If you use `extension()', the library will be loaded at run time. +This means that the functions are available only to the rest of your +script. If you use the command line option `-l' instead, the library +will be loaded before `gawk' starts compiling the actual program. The +net effect is that you can use those functions anywhere in the program. + + `gawk' has a list of directories where it searches for libraries. +By default, the list includes directories that depend upon how gawk was +built and installed (*note AWKPATH Variable::). If you want `gawk' to +look for libraries in your private directory, you have to tell it. The +way to do it is to set the `AWKPATH' environment variable (*note +AWKPATH Variable::). `gawk' supplies the default suffix `.so' if it is +not present in the name of the library. If the name of your library is +`mylib.so', you can simply type + + $ gawk -l mylib -f myprog + + and `gawk' will do everything necessary to load in your library, and +then call your `dlload()' routine. + + You can always specify the library using an absolute pathname, in +which case `gawk' will not use `AWKPATH' to search for it. + + +File: gawk.info, Node: Sample Library, Prev: Loading Extensions, Up: Dynamic Extensions -C.3.3 Example: Directory and File Operation Built-ins +C.3.4 Example: Directory and File Operation Built-ins ----------------------------------------------------- Two useful functions that are not in `awk' are `chdir()' (so that an @@ -21964,7 +22037,7 @@ implements these functions for `gawk' in an external extension library. File: gawk.info, Node: Internal File Description, Next: Internal File Ops, Up: Sample Library -C.3.3.1 Using `chdir()' and `stat()' +C.3.4.1 Using `chdir()' and `stat()' .................................... This minor node shows how to use the new functions at the `awk' level @@ -22087,7 +22160,7 @@ Elements::): File: gawk.info, Node: Internal File Ops, Next: Using Internal File Ops, Prev: Internal File Description, Up: Sample Library -C.3.3.2 C Code for `chdir()' and `stat()' +C.3.4.2 C Code for `chdir()' and `stat()' ......................................... Here is the C code for these extensions. They were written for @@ -22237,7 +22310,7 @@ version. File: gawk.info, Node: Using Internal File Ops, Prev: Internal File Ops, Up: Sample Library -C.3.3.3 Integrating the Extensions +C.3.4.3 Integrating the Extensions .................................. Now that the code is written, it must be possible to add it at runtime @@ -24675,8 +24748,8 @@ Index * ' (single quote): One-shot. (line 15) * ' (single quote), vs. apostrophe: Comments. (line 27) * ' (single quote), with double quotes: Quoting. (line 53) +* () (parentheses) <1>: Profiling. (line 138) * () (parentheses): Regexp Operators. (line 79) -* () (parentheses), pgawk program: Profiling. (line 141) * * (asterisk), * operator, as multiplication operator: Precedence. (line 55) * * (asterisk), * operator, as regexp operator: Regexp Operators. @@ -24708,71 +24781,74 @@ Index * --assign option: Options. (line 32) * --c option: Options. (line 78) * --characters-as-bytes option: Options. (line 68) -* --command option: Options. (line 231) * --copyright option: Options. (line 85) +* --debug option: Options. (line 105) * --disable-lint configuration option: Additional Configuration Options. (line 9) * --disable-nls configuration option: Additional Configuration Options. (line 24) * --dump-variables option <1>: Library Names. (line 45) * --dump-variables option: Options. (line 90) -* --exec option: Options. (line 113) +* --exec option: Options. (line 122) * --field-separator option: Options. (line 21) * --file option: Options. (line 25) * --gen-pot option <1>: String Extraction. (line 6) -* --gen-pot option: Options. (line 135) -* --help option: Options. (line 142) -* --L option: Options. (line 245) -* --lint option <1>: Options. (line 147) +* --gen-pot option: Options. (line 144) +* --help option: Options. (line 151) +* --L option: Options. (line 263) +* --lint option <1>: Options. (line 163) * --lint option: Command Line. (line 20) -* --lint-old option: Options. (line 245) +* --lint-old option: Options. (line 263) +* --load option: Options. (line 156) * --non-decimal-data option <1>: Nondecimal Data. (line 6) -* --non-decimal-data option: Options. (line 166) +* --non-decimal-data option: Options. (line 182) * --non-decimal-data option, strtonum() function and: Nondecimal Data. (line 36) -* --optimize option: Options. (line 179) -* --posix option: Options. (line 199) -* --posix option, --traditional option and: Options. (line 218) -* --profile option <1>: Profiling. (line 15) -* --profile option: Options. (line 186) -* --re-interval option: Options. (line 224) -* --sandbox option: Options. (line 236) +* --optimize option: Options. (line 203) +* --posix option: Options. (line 222) +* --posix option, --traditional option and: Options. (line 241) +* --pretty-print option: Options. (line 195) +* --profile option <1>: Profiling. (line 12) +* --profile option: Options. (line 210) +* --re-interval option: Options. (line 247) +* --sandbox option: Options. (line 254) * --sandbox option, disabling system() function: I/O Functions. (line 85) * --sandbox option, input redirection with getline: Getline. (line 19) * --sandbox option, output redirection with print, printf: Redirection. (line 6) -* --source option: Options. (line 105) +* --source option: Options. (line 114) * --traditional option: Options. (line 78) -* --traditional option, --posix option and: Options. (line 218) -* --use-lc-numeric option: Options. (line 174) -* --version option: Options. (line 250) +* --traditional option, --posix option and: Options. (line 241) +* --use-lc-numeric option: Options. (line 190) +* --version option: Options. (line 268) * --with-whiny-user-strftime configuration option: Additional Configuration Options. (line 29) * -b option: Options. (line 68) * -C option: Options. (line 85) +* -D option: Options. (line 105) * -d option: Options. (line 90) -* -E option: Options. (line 113) -* -e option: Options. (line 105) +* -E option: Options. (line 122) +* -e option: Options. (line 114) * -F option: Command Line Field Separator. (line 6) * -f option: Options. (line 25) * -F option: Options. (line 21) * -f option: Long. (line 12) -* -F option, -Ft sets FS to TAB: Options. (line 258) -* -f option, on command line: Options. (line 263) -* -g option: Options. (line 135) -* -h option: Options. (line 142) -* -l option: Options. (line 147) -* -N option: Options. (line 174) -* -n option: Options. (line 166) -* -O option: Options. (line 179) -* -P option: Options. (line 199) -* -p option: Options. (line 186) -* -R option: Options. (line 231) -* -r option: Options. (line 224) -* -S option: Options. (line 236) -* -V option: Options. (line 250) +* -F option, -Ft sets FS to TAB: Options. (line 276) +* -f option, on command line: Options. (line 281) +* -g option: Options. (line 144) +* -h option: Options. (line 151) +* -l option: Options. (line 156) +* -N option: Options. (line 190) +* -n option: Options. (line 182) +* -O option: Options. (line 203) +* -o option: Options. (line 195) +* -P option: Options. (line 222) +* -p option: Options. (line 210) +* -r option: Options. (line 247) +* -S option: Options. (line 254) +* -V option: Options. (line 268) * -v option: Options. (line 32) * -v option, variables, assigning: Assignment Options. (line 12) * -W option: Options. (line 46) @@ -25028,7 +25104,10 @@ Index * asterisk (*), *= operator: Assignment Ops. (line 129) * atan2() function: Numeric Functions. (line 11) * awf (amazingly workable formatter) program: Glossary. (line 25) +* awk debugging, enabling: Options. (line 105) +* awk enabling: Options. (line 195) * awk language, POSIX version: Assignment Ops. (line 136) +* awk profiling, enabling: Options. (line 210) * awk programs <1>: Two Rules. (line 6) * awk programs <2>: Executable Scripts. (line 6) * awk programs: Getting Started. (line 12) @@ -25044,7 +25123,6 @@ Index * awk programs, location of: Options. (line 25) * awk programs, one-line examples: Very Simple. (line 45) * awk programs, profiling: Profiling. (line 6) -* awk programs, profiling, enabling: Options. (line 186) * awk programs, running <1>: Long. (line 6) * awk programs, running: Running gawk. (line 6) * awk programs, running, from shell scripts: One-shot. (line 22) @@ -25084,7 +25162,7 @@ Index * AWKNUM internal type: Internals. (line 19) * AWKPATH environment variable <1>: PC Using. (line 11) * AWKPATH environment variable: AWKPATH Variable. (line 6) -* awkprof.out file: Profiling. (line 10) +* awkprof.out file: Profiling. (line 6) * awksed.awk program: Simple Sed. (line 25) * awkvars.out file: Options. (line 90) * b debugger command (alias for break): Breakpoint Control. (line 11) @@ -25138,12 +25216,13 @@ Index * backslash (\), in escape sequences, POSIX and: Escape Sequences. (line 113) * backslash (\), regexp constants: Computed Regexps. (line 28) -* backtrace debugger command: Dgawk Stack. (line 13) +* backtrace debugger command: Execution Stack. (line 13) * BBS-list file: Sample Data Files. (line 6) * Beebe, Nelson <1>: Other Versions. (line 69) * Beebe, Nelson: Acknowledgments. (line 60) -* BEGIN pattern <1>: BEGIN/END. (line 6) -* BEGIN pattern <2>: Field Separators. (line 44) +* BEGIN pattern <1>: Profiling. (line 62) +* BEGIN pattern <2>: BEGIN/END. (line 6) +* BEGIN pattern <3>: Field Separators. (line 44) * BEGIN pattern: Records. (line 29) * BEGIN pattern, assert() user-defined function and: Assert Function. (line 83) @@ -25158,7 +25237,6 @@ Index * BEGIN pattern, OFS/ORS variables, assigning values to: Output Separators. (line 20) * BEGIN pattern, operators and: Using BEGIN/END. (line 17) -* BEGIN pattern, pgawk program: Profiling. (line 65) * BEGIN pattern, print statement and: I/O And BEGIN/END. (line 16) * BEGIN pattern, pwcat program: Passwd Functions. (line 143) * BEGIN pattern, running awk programs and: Cut Program. (line 68) @@ -25187,8 +25265,8 @@ Index * Boolean expressions, as patterns: Expression Patterns. (line 41) * Boolean operators, See Boolean expressions: Boolean Ops. (line 6) * Bourne shell, quoting rules for: Quoting. (line 18) +* braces ({}): Profiling. (line 134) * braces ({}), actions and: Action Overview. (line 19) -* braces ({}), pgawk program: Profiling. (line 137) * braces ({}), statements, grouping: Statements. (line 10) * bracket expressions <1>: Bracket Expressions. (line 6) * bracket expressions: Regexp Operators. (line 55) @@ -25215,7 +25293,7 @@ Index * Broder, Alan J.: Contributors. (line 88) * Brown, Martin: Contributors. (line 82) * BSD-based operating systems: Glossary. (line 611) -* bt debugger command (alias for backtrace): Dgawk Stack. (line 13) +* bt debugger command (alias for backtrace): Execution Stack. (line 13) * Buening, Andreas <1>: Bugs. (line 71) * Buening, Andreas <2>: Contributors. (line 92) * Buening, Andreas: Acknowledgments. (line 60) @@ -25233,7 +25311,7 @@ Index * built-in variables, -v option, setting with: Options. (line 40) * built-in variables, conveying information: Auto-set. (line 6) * built-in variables, user-modifiable: User-modified. (line 6) -* Busybox Awk: Other Versions. (line 78) +* Busybox Awk: Other Versions. (line 79) * call by reference: Pass By Value/Reference. (line 47) * call by value: Pass By Value/Reference. @@ -25253,7 +25331,7 @@ Index * case sensitivity, regexps and <1>: User-modified. (line 82) * case sensitivity, regexps and: Case-sensitivity. (line 6) * case sensitivity, string comparisons and: User-modified. (line 82) -* CGI, awk scripts for: Options. (line 113) +* CGI, awk scripts for: Options. (line 122) * character lists, See bracket expressions: Regexp Operators. (line 55) * character sets (machine character encodings) <1>: Glossary. (line 141) * character sets (machine character encodings): Ordinal Functions. @@ -25307,7 +25385,7 @@ Index * command line, variables, assigning on: Assignment Options. (line 6) * command-line options, processing: Getopt Function. (line 6) * command-line options, string extraction: String Extraction. (line 6) -* commands debugger command: Dgawk Execution Control. +* commands debugger command: Debugger Execution Control. (line 10) * commenting: Comments. (line 6) * commenting, backslash continuation and: Statements/Lines. (line 76) @@ -25384,7 +25462,7 @@ Index * cos() function: Numeric Functions. (line 14) * counting: Wc Program. (line 6) * csh utility: Statements/Lines. (line 44) -* csh utility, POSIXLY_CORRECT environment variable: Options. (line 305) +* csh utility, POSIXLY_CORRECT environment variable: Options. (line 323) * csh utility, |& operator, comparison with: Two-way I/O. (line 44) * ctime() user-defined function: Function Example. (line 72) * currency symbols, localization: Explaining gettext. (line 103) @@ -25392,7 +25470,7 @@ Index (line 30) * cut utility: Cut Program. (line 6) * cut.awk program: Cut Program. (line 45) -* d debugger command (alias for delete): Breakpoint Control. (line 63) +* d debugger command (alias for delete): Breakpoint Control. (line 64) * d.c., See dark corner: Conventions. (line 38) * dark corner <1>: Glossary. (line 193) * dark corner <2>: Truth Values. (line 24) @@ -25456,113 +25534,113 @@ Index (line 33) * deadlocks: Two-way I/O. (line 70) * debugger commands, b (break): Breakpoint Control. (line 11) -* debugger commands, backtrace: Dgawk Stack. (line 13) +* debugger commands, backtrace: Execution Stack. (line 13) * debugger commands, break: Breakpoint Control. (line 11) -* debugger commands, bt (backtrace): Dgawk Stack. (line 13) -* debugger commands, c (continue): Dgawk Execution Control. +* debugger commands, bt (backtrace): Execution Stack. (line 13) +* debugger commands, c (continue): Debugger Execution Control. (line 33) * debugger commands, clear: Breakpoint Control. (line 36) -* debugger commands, commands: Dgawk Execution Control. +* debugger commands, commands: Debugger Execution Control. (line 10) * debugger commands, condition: Breakpoint Control. (line 54) -* debugger commands, continue: Dgawk Execution Control. +* debugger commands, continue: Debugger Execution Control. (line 33) -* debugger commands, d (delete): Breakpoint Control. (line 63) -* debugger commands, delete: Breakpoint Control. (line 63) -* debugger commands, disable: Breakpoint Control. (line 68) +* debugger commands, d (delete): Breakpoint Control. (line 64) +* debugger commands, delete: Breakpoint Control. (line 64) +* debugger commands, disable: Breakpoint Control. (line 69) * debugger commands, display: Viewing And Changing Data. (line 8) -* debugger commands, down: Dgawk Stack. (line 21) -* debugger commands, dump: Miscellaneous Dgawk Commands. +* debugger commands, down: Execution Stack. (line 21) +* debugger commands, dump: Miscellaneous Debugger Commands. (line 9) -* debugger commands, e (enable): Breakpoint Control. (line 72) -* debugger commands, enable: Breakpoint Control. (line 72) -* debugger commands, end: Dgawk Execution Control. +* debugger commands, e (enable): Breakpoint Control. (line 73) +* debugger commands, enable: Breakpoint Control. (line 73) +* debugger commands, end: Debugger Execution Control. (line 10) * debugger commands, eval: Viewing And Changing Data. (line 23) -* debugger commands, f (frame): Dgawk Stack. (line 25) -* debugger commands, finish: Dgawk Execution Control. +* debugger commands, f (frame): Execution Stack. (line 25) +* debugger commands, finish: Debugger Execution Control. (line 39) -* debugger commands, frame: Dgawk Stack. (line 25) -* debugger commands, h (help): Miscellaneous Dgawk Commands. +* debugger commands, frame: Execution Stack. (line 25) +* debugger commands, h (help): Miscellaneous Debugger Commands. (line 68) -* debugger commands, help: Miscellaneous Dgawk Commands. +* debugger commands, help: Miscellaneous Debugger Commands. (line 68) -* debugger commands, i (info): Dgawk Info. (line 12) -* debugger commands, ignore: Breakpoint Control. (line 86) -* debugger commands, info: Dgawk Info. (line 12) -* debugger commands, l (list): Miscellaneous Dgawk Commands. +* debugger commands, i (info): Debugger Info. (line 13) +* debugger commands, ignore: Breakpoint Control. (line 87) +* debugger commands, info: Debugger Info. (line 13) +* debugger commands, l (list): Miscellaneous Debugger Commands. (line 74) -* debugger commands, list: Miscellaneous Dgawk Commands. +* debugger commands, list: Miscellaneous Debugger Commands. (line 74) -* debugger commands, n (next): Dgawk Execution Control. +* debugger commands, n (next): Debugger Execution Control. (line 43) -* debugger commands, next: Dgawk Execution Control. +* debugger commands, next: Debugger Execution Control. (line 43) -* debugger commands, nexti: Dgawk Execution Control. +* debugger commands, nexti: Debugger Execution Control. (line 49) -* debugger commands, ni (nexti): Dgawk Execution Control. +* debugger commands, ni (nexti): Debugger Execution Control. (line 49) -* debugger commands, o (option): Dgawk Info. (line 56) -* debugger commands, option: Dgawk Info. (line 56) +* debugger commands, o (option): Debugger Info. (line 57) +* debugger commands, option: Debugger Info. (line 57) * debugger commands, p (print): Viewing And Changing Data. (line 36) * debugger commands, print: Viewing And Changing Data. (line 36) * debugger commands, printf: Viewing And Changing Data. (line 54) -* debugger commands, q (quit): Miscellaneous Dgawk Commands. +* debugger commands, q (quit): Miscellaneous Debugger Commands. (line 101) -* debugger commands, quit: Miscellaneous Dgawk Commands. +* debugger commands, quit: Miscellaneous Debugger Commands. (line 101) -* debugger commands, r (run): Dgawk Execution Control. +* debugger commands, r (run): Debugger Execution Control. (line 62) -* debugger commands, return: Dgawk Execution Control. +* debugger commands, return: Debugger Execution Control. (line 54) -* debugger commands, run: Dgawk Execution Control. +* debugger commands, run: Debugger Execution Control. (line 62) -* debugger commands, s (step): Dgawk Execution Control. +* debugger commands, s (step): Debugger Execution Control. (line 68) * debugger commands, set: Viewing And Changing Data. (line 59) -* debugger commands, si (stepi): Dgawk Execution Control. +* debugger commands, si (stepi): Debugger Execution Control. (line 76) -* debugger commands, silent: Dgawk Execution Control. +* debugger commands, silent: Debugger Execution Control. (line 10) -* debugger commands, step: Dgawk Execution Control. +* debugger commands, step: Debugger Execution Control. (line 68) -* debugger commands, stepi: Dgawk Execution Control. +* debugger commands, stepi: Debugger Execution Control. (line 76) -* debugger commands, t (tbreak): Breakpoint Control. (line 89) -* debugger commands, tbreak: Breakpoint Control. (line 89) -* debugger commands, trace: Miscellaneous Dgawk Commands. +* debugger commands, t (tbreak): Breakpoint Control. (line 90) +* debugger commands, tbreak: Breakpoint Control. (line 90) +* debugger commands, trace: Miscellaneous Debugger Commands. (line 110) -* debugger commands, u (until): Dgawk Execution Control. +* debugger commands, u (until): Debugger Execution Control. (line 83) * debugger commands, undisplay: Viewing And Changing Data. (line 80) -* debugger commands, until: Dgawk Execution Control. +* debugger commands, until: Debugger Execution Control. (line 83) * debugger commands, unwatch: Viewing And Changing Data. (line 84) -* debugger commands, up: Dgawk Stack. (line 33) +* debugger commands, up: Execution Stack. (line 33) * debugger commands, w (watch): Viewing And Changing Data. (line 67) * debugger commands, watch: Viewing And Changing Data. (line 67) +* debugging awk programs: Debugger. (line 6) * debugging gawk, bug reports: Bugs. (line 9) -* decimal point character, locale specific: Options. (line 215) +* decimal point character, locale specific: Options. (line 238) * decrement operators: Increment Ops. (line 35) * default keyword: Switch Statement. (line 6) * Deifik, Scott <1>: Bugs. (line 70) * Deifik, Scott <2>: Contributors. (line 54) * Deifik, Scott: Acknowledgments. (line 60) -* delete debugger command: Breakpoint Control. (line 63) +* delete debugger command: Breakpoint Control. (line 64) * delete statement: Delete. (line 6) * deleting elements in arrays: Delete. (line 6) * deleting entire arrays: Delete. (line 39) -* dgawk: Debugger. (line 6) * differences between gawk and awk: String Functions. (line 196) * differences in awk and gawk, ARGC/ARGV variables: ARGC and ARGV. (line 88) @@ -25633,7 +25711,7 @@ Index (line 6) * directories, searching <1>: Igawk Program. (line 368) * directories, searching: AWKPATH Variable. (line 6) -* disable debugger command: Breakpoint Control. (line 68) +* disable debugger command: Breakpoint Control. (line 69) * display debugger command: Viewing And Changing Data. (line 8) * division: Arithmetic Ops. (line 44) @@ -25651,14 +25729,14 @@ Index * double quote (") <1>: Quoting. (line 37) * double quote ("): Read Terminal. (line 25) * double quote ("), regexp constants: Computed Regexps. (line 28) -* down debugger command: Dgawk Stack. (line 21) +* down debugger command: Execution Stack. (line 21) * Drepper, Ulrich: Acknowledgments. (line 52) * DuBois, John: Acknowledgments. (line 60) -* dump debugger command: Miscellaneous Dgawk Commands. +* dump debugger command: Miscellaneous Debugger Commands. (line 9) * dupnode() internal function: Internals. (line 87) * dupword.awk program: Dupword Program. (line 31) -* e debugger command (alias for enable): Breakpoint Control. (line 72) +* e debugger command (alias for enable): Breakpoint Control. (line 73) * EBCDIC: Ordinal Functions. (line 45) * egrep utility <1>: Egrep Program. (line 6) * egrep utility: Bracket Expressions. (line 24) @@ -25674,9 +25752,10 @@ Index * empty pattern: Empty. (line 6) * empty strings, See null strings: Regexp Field Splitting. (line 43) -* enable debugger command: Breakpoint Control. (line 72) -* end debugger command: Dgawk Execution Control. +* enable debugger command: Breakpoint Control. (line 73) +* end debugger command: Debugger Execution Control. (line 10) +* END pattern <1>: Profiling. (line 62) * END pattern: BEGIN/END. (line 6) * END pattern, assert() user-defined function and: Assert Function. (line 75) @@ -25688,7 +25767,6 @@ Index * END pattern, next/nextfile statements and: I/O And BEGIN/END. (line 37) * END pattern, operators and: Using BEGIN/END. (line 17) -* END pattern, pgawk program: Profiling. (line 65) * END pattern, print statement and: I/O And BEGIN/END. (line 16) * ENDFILE pattern: BEGINFILE/ENDFILE. (line 6) * ENDFILE pattern, Boolean patterns and: Expression Patterns. (line 73) @@ -25780,7 +25858,7 @@ Index * extract.awk program: Extract Program. (line 78) * extraction, of marked strings (internationalization): String Extraction. (line 6) -* f debugger command (alias for frame): Dgawk Stack. (line 25) +* f debugger command (alias for frame): Execution Stack. (line 25) * false, logical: Truth Values. (line 6) * FDL (Free Documentation License): GNU Free Documentation License. (line 6) @@ -25847,7 +25925,7 @@ Index * files, /inet6/... (gawk): TCP/IP Networking. (line 6) * files, as single records: Records. (line 196) * files, awk programs in: Long. (line 6) -* files, awkprof.out: Profiling. (line 10) +* files, awkprof.out: Profiling. (line 6) * files, awkvars.out: Options. (line 90) * files, closing: I/O Functions. (line 10) * files, descriptors, See file descriptors: Special FD. (line 6) @@ -25876,7 +25954,7 @@ Index * files, portable object template: Explaining gettext. (line 30) * files, portable object, converting to message object files: I18N Example. (line 62) -* files, portable object, generating: Options. (line 135) +* files, portable object, generating: Options. (line 144) * files, processing, ARGIND variable and: Auto-set. (line 47) * files, reading: Rewind Function. (line 6) * files, reading, multiline records: Multiple Line. (line 6) @@ -25885,7 +25963,7 @@ Index * files, source, search path for: Igawk Program. (line 368) * files, splitting: Split Program. (line 6) * files, Texinfo, extracting programs from: Extract Program. (line 6) -* finish debugger command: Dgawk Execution Control. +* finish debugger command: Debugger Execution Control. (line 39) * Fish, Fred: Contributors. (line 51) * fixed-width data: Constant Size. (line 9) @@ -25920,7 +25998,7 @@ Index * FPAT variable <1>: User-modified. (line 45) * FPAT variable: Splitting By Content. (line 26) -* frame debugger command: Dgawk Stack. (line 25) +* frame debugger command: Execution Stack. (line 25) * Free Documentation License (FDL): GNU Free Documentation License. (line 6) * Free Software Foundation (FSF) <1>: Glossary. (line 301) @@ -25932,7 +26010,7 @@ Index * FS variable, --field-separator option and: Options. (line 21) * FS variable, as null string: Single Character Fields. (line 20) -* FS variable, as TAB character: Options. (line 211) +* FS variable, as TAB character: Options. (line 234) * FS variable, changing value of: Field Separators. (line 34) * FS variable, running awk programs and: Cut Program. (line 68) * FS variable, setting from command line: Command Line Field Separator. @@ -25983,7 +26061,7 @@ Index (line 71) * functions, user-defined: User-defined. (line 6) * functions, user-defined, calling: Calling A Function. (line 6) -* functions, user-defined, counts: Profiling. (line 132) +* functions, user-defined, counts: Profiling. (line 129) * functions, user-defined, library of: Library Functions. (line 6) * functions, user-defined, next/nextfile statements and <1>: Nextfile Statement. (line 44) @@ -25991,6 +26069,7 @@ Index (line 45) * G-d: Acknowledgments. (line 81) * Garfinkle, Scott: Contributors. (line 35) +* gawk program, dynamic profiling: Profiling. (line 171) * gawk, ARGIND variable in: Other Arguments. (line 12) * gawk, awk and <1>: This Manual. (line 14) * gawk, awk and: Preface. (line 23) @@ -26017,7 +26096,7 @@ Index (line 139) * gawk, ERRNO variable in: Getline. (line 19) * gawk, escape sequences: Escape Sequences. (line 125) -* gawk, extensions, disabling: Options. (line 199) +* gawk, extensions, disabling: Options. (line 222) * gawk, features, adding: Adding Code. (line 6) * gawk, features, advanced: Advanced Features. (line 6) * gawk, fflush() function in: I/O Functions. (line 44) @@ -26031,6 +26110,7 @@ Index (line 26) * gawk, function arguments and: Calling Built-in. (line 16) * gawk, functions, adding: Dynamic Extensions. (line 10) +* gawk, functions, loading: Loading Extensions. (line 6) * gawk, hexadecimal numbers and: Nondecimal-numbers. (line 42) * gawk, IGNORECASE variable in <1>: Array Sorting Functions. (line 81) @@ -26081,7 +26161,7 @@ Index * gawk, TEXTDOMAIN variable in: User-modified. (line 153) * gawk, timestamps: Time Functions. (line 6) * gawk, uses for: Preface. (line 36) -* gawk, versions of, information about, printing: Options. (line 250) +* gawk, versions of, information about, printing: Options. (line 268) * gawk, VMS version of: VMS Installation. (line 6) * gawk, word-boundary operator: GNU Regexp Operators. (line 63) @@ -26141,7 +26221,7 @@ Index * GNU Lesser General Public License: Glossary. (line 397) * GNU long options <1>: Options. (line 6) * GNU long options: Command Line. (line 13) -* GNU long options, printing list of: Options. (line 142) +* GNU long options, printing list of: Options. (line 151) * GNU Project <1>: Glossary. (line 319) * GNU Project: Manual History. (line 11) * GNU/Linux <1>: Glossary. (line 611) @@ -26160,7 +26240,7 @@ Index (line 43) * gsub() function, arguments of: String Functions. (line 462) * gsub() function, escape processing: Gory Details. (line 6) -* h debugger command (alias for help): Miscellaneous Dgawk Commands. +* h debugger command (alias for help): Miscellaneous Debugger Commands. (line 68) * Hankerson, Darrel <1>: Contributors. (line 61) * Hankerson, Darrel: Acknowledgments. (line 60) @@ -26169,13 +26249,13 @@ Index * Hartholz, Elaine: Acknowledgments. (line 38) * Hartholz, Marshall: Acknowledgments. (line 38) * Hasegawa, Isamu: Contributors. (line 94) -* help debugger command: Miscellaneous Dgawk Commands. +* help debugger command: Miscellaneous Debugger Commands. (line 68) * hexadecimal numbers: Nondecimal-numbers. (line 6) -* hexadecimal values, enabling interpretation of: Options. (line 166) +* hexadecimal values, enabling interpretation of: Options. (line 182) * histsort.awk program: History Sorting. (line 25) * Hughes, Phil: Acknowledgments. (line 43) -* HUP signal: Profiling. (line 204) +* HUP signal: Profiling. (line 203) * hyphen (-), - operator: Precedence. (line 52) * hyphen (-), -- (decrement/increment) operators: Precedence. (line 46) * hyphen (-), -- operator: Increment Ops. (line 48) @@ -26183,14 +26263,14 @@ Index * hyphen (-), -= operator: Assignment Ops. (line 129) * hyphen (-), filenames beginning with: Options. (line 59) * hyphen (-), in bracket expressions: Bracket Expressions. (line 17) -* i debugger command (alias for info): Dgawk Info. (line 12) +* i debugger command (alias for info): Debugger Info. (line 13) * id utility: Id Program. (line 6) * id.awk program: Id Program. (line 30) * if statement <1>: If Statement. (line 6) * if statement: Regexp Usage. (line 19) * if statement, actions, changing: Ranges. (line 25) * igawk.sh program: Igawk Program. (line 124) -* ignore debugger command: Breakpoint Control. (line 86) +* ignore debugger command: Breakpoint Control. (line 87) * IGNORECASE variable <1>: Array Sorting Functions. (line 81) * IGNORECASE variable <2>: String Functions. (line 29) @@ -26218,7 +26298,7 @@ Index * index() function: String Functions. (line 155) * indexing arrays: Array Intro. (line 50) * indirect function calls: Indirect Calls. (line 6) -* info debugger command: Dgawk Info. (line 12) +* info debugger command: Debugger Info. (line 13) * initialization, automatic: More Complex. (line 38) * input files: Reading Files. (line 6) * input files, closing: Close Files And Pipes. @@ -26243,7 +26323,7 @@ Index * insomnia, cure for: Alarm Program. (line 6) * installation, VMS: VMS Installation. (line 6) * installing gawk: Installation. (line 6) -* INT signal (MS-Windows): Profiling. (line 207) +* INT signal (MS-Windows): Profiling. (line 206) * int() function: Numeric Functions. (line 22) * integers: Basic Data Typing. (line 21) * integers, unsigned: Basic Data Typing. (line 30) @@ -26308,9 +26388,9 @@ Index * Jacobs, Andrew: Passwd Functions. (line 90) * Jaegermann, Michal <1>: Contributors. (line 46) * Jaegermann, Michal: Acknowledgments. (line 60) -* Java implementation of awk: Other Versions. (line 96) +* Java implementation of awk: Other Versions. (line 97) * Java programming language: Glossary. (line 380) -* jawk: Other Versions. (line 96) +* jawk: Other Versions. (line 97) * Jedi knights: Undocumented. (line 6) * join() user-defined function: Join Function. (line 18) * Kahrs, Ju"rgen <1>: Contributors. (line 70) @@ -26325,10 +26405,10 @@ Index * Kernighan, Brian <6>: Acknowledgments. (line 75) * Kernighan, Brian <7>: Conventions. (line 34) * Kernighan, Brian: History. (line 17) -* kill command, dynamic profiling: Profiling. (line 182) +* kill command, dynamic profiling: Profiling. (line 180) * Knights, jedi: Undocumented. (line 6) * Kwok, Conrad: Contributors. (line 35) -* l debugger command (alias for list): Miscellaneous Dgawk Commands. +* l debugger command (alias for list): Miscellaneous Debugger Commands. (line 74) * labels.awk program: Labels Program. (line 51) * languages, data-driven: Basic High Level. (line 83) @@ -26354,7 +26434,7 @@ Index * length() function: String Functions. (line 166) * Lesser General Public License (LGPL): Glossary. (line 397) * LGPL (Lesser General Public License): Glossary. (line 397) -* libmawk: Other Versions. (line 104) +* libmawk: Other Versions. (line 105) * libraries of awk functions: Library Functions. (line 6) * libraries of awk functions, assertions: Assert Function. (line 6) * libraries of awk functions, associative arrays and: Library Names. @@ -26392,20 +26472,22 @@ Index * lint checking, array subscripts: Uninitialized Subscripts. (line 43) * lint checking, empty programs: Command Line. (line 16) -* lint checking, issuing warnings: Options. (line 147) +* lint checking, issuing warnings: Options. (line 163) * lint checking, POSIXLY_CORRECT environment variable: Options. - (line 289) + (line 307) * lint checking, undefined functions: Pass By Value/Reference. (line 88) * LINT variable: User-modified. (line 98) * Linux <1>: Glossary. (line 611) * Linux <2>: I18N Example. (line 55) * Linux: Manual History. (line 28) -* list debugger command: Miscellaneous Dgawk Commands. +* list debugger command: Miscellaneous Debugger Commands. (line 74) +* loading extension: Loading Extensions. (line 6) +* loading, library: Options. (line 156) * local variables: Variable Scope. (line 6) * locale categories: Explaining gettext. (line 80) -* locale decimal point character: Options. (line 215) +* locale decimal point character: Options. (line 238) * locale, definition of: Locales. (line 6) * localization: I18N and L10N. (line 6) * localization, See internationalization, localization: I18N and L10N. @@ -26418,7 +26500,7 @@ Index * long options: Command Line. (line 13) * loops: While Statement. (line 6) * loops, continue statements and: For Statement. (line 64) -* loops, count for header: Profiling. (line 126) +* loops, count for header: Profiling. (line 123) * loops, exiting: Break Statement. (line 6) * loops, See Also while statement: While Statement. (line 6) * Lost In Space: Dynamic Extensions. (line 6) @@ -26457,7 +26539,7 @@ Index * modifiers, in format specifiers: Format Modifiers. (line 6) * monetary information, localization: Explaining gettext. (line 103) * msgfmt utility: I18N Example. (line 62) -* n debugger command (alias for next): Dgawk Execution Control. +* n debugger command (alias for next): Debugger Execution Control. (line 43) * names, arrays/variables <1>: Library Names. (line 6) * names, arrays/variables: Arrays. (line 18) @@ -26473,7 +26555,7 @@ Index * networks, programming: TCP/IP Networking. (line 6) * networks, support for: Special Network. (line 6) * newlines <1>: Boolean Ops. (line 67) -* newlines <2>: Options. (line 205) +* newlines <2>: Options. (line 228) * newlines: Statements/Lines. (line 6) * newlines, as field separators: Default Field Splitting. (line 6) @@ -26484,7 +26566,7 @@ Index * newlines, separating statements in actions <1>: Statements. (line 10) * newlines, separating statements in actions: Action Overview. (line 19) -* next debugger command: Dgawk Execution Control. +* next debugger command: Debugger Execution Control. (line 43) * next statement <1>: Next Statement. (line 6) * next statement: Boolean Ops. (line 85) @@ -26499,12 +26581,12 @@ Index (line 26) * nextfile statement, user-defined functions and: Nextfile Statement. (line 44) -* nexti debugger command: Dgawk Execution Control. +* nexti debugger command: Debugger Execution Control. (line 49) * NF variable <1>: Auto-set. (line 107) * NF variable: Fields. (line 33) * NF variable, decrementing: Changing Fields. (line 107) -* ni debugger command (alias for nexti): Dgawk Execution Control. +* ni debugger command (alias for nexti): Debugger Execution Control. (line 49) * noassign.awk program: Ignoring Assigns. (line 15) * NODE internal type: Internals. (line 23) @@ -26549,11 +26631,11 @@ Index * numeric, output format: OFMT. (line 6) * numeric, strings: Variable Typing. (line 6) * numeric, values: Internals. (line 27) -* o debugger command (alias for option): Dgawk Info. (line 56) +* o debugger command (alias for option): Debugger Info. (line 57) * oawk utility: Names. (line 17) * obsolete features: Obsolete. (line 6) * octal numbers: Nondecimal-numbers. (line 6) -* octal values, enabling interpretation of: Options. (line 166) +* octal values, enabling interpretation of: Options. (line 182) * OFMT variable <1>: User-modified. (line 115) * OFMT variable <2>: Conversion. (line 55) * OFMT variable: OFMT. (line 15) @@ -26562,7 +26644,7 @@ Index * OFS variable <2>: Output Separators. (line 6) * OFS variable: Changing Fields. (line 64) * OpenBSD: Glossary. (line 611) -* OpenSolaris: Other Versions. (line 86) +* OpenSolaris: Other Versions. (line 87) * operating systems, BSD-based: Manual History. (line 28) * operating systems, PC, gawk on: PC Using. (line 6) * operating systems, PC, gawk on, installing: PC Installation. @@ -26595,7 +26677,7 @@ Index (line 48) * operators, word-boundary (gawk): GNU Regexp Operators. (line 63) -* option debugger command: Dgawk Info. (line 56) +* option debugger command: Debugger Info. (line 57) * options, command-line <1>: Command Line Field Separator. (line 6) * options, command-line <2>: Options. (line 6) @@ -26606,7 +26688,7 @@ Index * options, deprecated: Obsolete. (line 6) * options, long <1>: Options. (line 6) * options, long: Command Line. (line 13) -* options, printing list of: Options. (line 142) +* options, printing list of: Options. (line 151) * OR bitwise operation: Bitwise Functions. (line 6) * or Boolean-logic operator: Boolean Ops. (line 6) * or() function (gawk): Bitwise Functions. (line 48) @@ -26633,14 +26715,14 @@ Index * P1003.1 POSIX standard: Glossary. (line 454) * P1003.2 POSIX standard: Glossary. (line 454) * parameters, number of: Internals. (line 42) +* parentheses () <1>: Profiling. (line 138) * parentheses (): Regexp Operators. (line 79) -* parentheses (), pgawk program: Profiling. (line 141) * password file: Passwd Functions. (line 16) * patsplit() function: String Functions. (line 293) * patterns: Patterns and Actions. (line 6) * patterns, comparison expressions as: Expression Patterns. (line 14) -* patterns, counts: Profiling. (line 113) +* patterns, counts: Profiling. (line 110) * patterns, default: Very Simple. (line 34) * patterns, empty: Empty. (line 6) * patterns, expressions as: Regexp Patterns. (line 6) @@ -26658,9 +26740,6 @@ Index * Perl: Future Extensions. (line 6) * Peters, Arno: Contributors. (line 85) * Peterson, Hal: Contributors. (line 40) -* pgawk program: Profiling. (line 6) -* pgawk program, awkprof.out file: Profiling. (line 10) -* pgawk program, dynamic profiling: Profiling. (line 174) * pipes, closing: Close Files And Pipes. (line 6) * pipes, input: Getline/Pipe. (line 6) @@ -26701,13 +26780,13 @@ Index * portability, NF variable, decrementing: Changing Fields. (line 115) * portability, operators: Increment Ops. (line 61) * portability, operators, not in POSIX awk: Precedence. (line 98) -* portability, POSIXLY_CORRECT environment variable: Options. (line 310) +* portability, POSIXLY_CORRECT environment variable: Options. (line 328) * portability, substr() function: String Functions. (line 512) * portable object files <1>: Translator i18n. (line 6) * portable object files: Explaining gettext. (line 36) * portable object files, converting to message object files: I18N Example. (line 62) -* portable object files, generating: Options. (line 135) +* portable object files, generating: Options. (line 144) * portable object template files: Explaining gettext. (line 30) * porting gawk: New Ports. (line 6) * positional specifiers, printf statement <1>: Printf Ordering. @@ -26751,11 +26830,11 @@ Index * POSIX awk, regular expressions and: Regexp Operators. (line 157) * POSIX awk, timestamps and: Time Functions. (line 6) * POSIX awk, | I/O operator and: Getline/Pipe. (line 52) -* POSIX mode: Options. (line 199) +* POSIX mode: Options. (line 222) * POSIX, awk and: Preface. (line 23) * POSIX, gawk extensions not included in: POSIX/GNU. (line 6) * POSIX, programs, implementing in awk: Clones. (line 6) -* POSIXLY_CORRECT environment variable: Options. (line 289) +* POSIXLY_CORRECT environment variable: Options. (line 307) * precedence <1>: Precedence. (line 6) * precedence: Increment Ops. (line 61) * precedence, regexp operators: Regexp Operators. (line 152) @@ -26789,7 +26868,7 @@ Index * printf statement, sprintf() function and: Round Function. (line 6) * printf statement, syntax of: Basic Printf. (line 6) * printing: Printing. (line 6) -* printing, list of options: Options. (line 142) +* printing, list of options: Options. (line 151) * printing, mailing labels: Labels Program. (line 6) * printing, unduplicated lines of text: Uniq Program. (line 6) * printing, user information: Id Program. (line 6) @@ -26805,8 +26884,8 @@ Index * PROCINFO array <7>: Auto-set. (line 123) * PROCINFO array: Obsolete. (line 11) * profiling awk programs: Profiling. (line 6) -* profiling awk programs, dynamically: Profiling. (line 174) -* profiling gawk, See pgawk program: Profiling. (line 6) +* profiling awk programs, dynamically: Profiling. (line 171) +* profiling gawk: Profiling. (line 6) * program, definition of: Getting Started. (line 21) * programmers, attractiveness of: Two-way I/O. (line 6) * programming conventions, --non-decimal-data option: Nondecimal Data. @@ -26830,23 +26909,23 @@ Index * programming, basic steps: Basic High Level. (line 19) * programming, concepts: Basic Concepts. (line 6) * pwcat program: Passwd Functions. (line 23) -* q debugger command (alias for quit): Miscellaneous Dgawk Commands. +* q debugger command (alias for quit): Miscellaneous Debugger Commands. (line 101) -* QSE Awk: Other Versions. (line 108) +* QSE Awk: Other Versions. (line 109) * question mark (?) regexp operator <1>: GNU Regexp Operators. (line 59) * question mark (?) regexp operator: Regexp Operators. (line 111) * question mark (?), ?: operator: Precedence. (line 92) -* QuikTrim Awk: Other Versions. (line 112) -* quit debugger command: Miscellaneous Dgawk Commands. +* QuikTrim Awk: Other Versions. (line 113) +* quit debugger command: Miscellaneous Debugger Commands. (line 101) -* QUIT signal (MS-Windows): Profiling. (line 207) +* QUIT signal (MS-Windows): Profiling. (line 206) * quoting <1>: Comments. (line 27) * quoting <2>: Long. (line 26) * quoting: Read Terminal. (line 25) * quoting, rules for: Quoting. (line 6) * quoting, tricks for: Quoting. (line 71) -* r debugger command (alias for run): Dgawk Execution Control. +* r debugger command (alias for run): Debugger Execution Control. (line 62) * Rakitzis, Byron: History Sorting. (line 25) * rand() function: Numeric Functions. (line 33) @@ -26912,7 +26991,7 @@ Index (line 59) * regular expressions, gawk, command-line options: GNU Regexp Operators. (line 70) -* regular expressions, interval expressions and: Options. (line 224) +* regular expressions, interval expressions and: Options. (line 247) * regular expressions, leftmost longest match: Leftmost Longest. (line 6) * regular expressions, operators <1>: Regexp Operators. (line 6) @@ -26928,7 +27007,7 @@ Index * regular expressions, searching for: Egrep Program. (line 6) * relational operators, See comparison operators: Typing and Comparison. (line 9) -* return debugger command: Dgawk Execution Control. +* return debugger command: Debugger Execution Control. (line 54) * return statement, user-defined functions: Return Statement. (line 6) * return values, close() function: Close Files And Pipes. @@ -26981,12 +27060,12 @@ Index * Rubin, Paul <1>: Contributors. (line 16) * Rubin, Paul: History. (line 30) * rule, definition of: Getting Started. (line 21) -* run debugger command: Dgawk Execution Control. +* run debugger command: Debugger Execution Control. (line 62) * rvalues/lvalues: Assignment Ops. (line 32) -* s debugger command (alias for step): Dgawk Execution Control. +* s debugger command (alias for step): Debugger Execution Control. (line 68) -* sandbox mode: Options. (line 236) +* sandbox mode: Options. (line 254) * scalar values: Basic Data Typing. (line 13) * Schorr, Andrew: Acknowledgments. (line 60) * Schreiber, Bert: Acknowledgments. (line 38) @@ -27032,7 +27111,7 @@ Index (line 6) * shift, bitwise: Bitwise Functions. (line 32) * short-circuit operators: Boolean Ops. (line 57) -* si debugger command (alias for stepi): Dgawk Execution Control. +* si debugger command (alias for stepi): Debugger Execution Control. (line 76) * side effects <1>: Increment Ops. (line 11) * side effects: Concatenation. (line 42) @@ -27047,15 +27126,15 @@ Index * side effects, FILENAME variable: Getline Notes. (line 19) * side effects, function calls: Function Calls. (line 54) * side effects, statements: Action Overview. (line 32) -* SIGHUP signal: Profiling. (line 204) -* SIGINT signal (MS-Windows): Profiling. (line 207) -* signals, HUP/SIGHUP: Profiling. (line 204) -* signals, INT/SIGINT (MS-Windows): Profiling. (line 207) -* signals, QUIT/SIGQUIT (MS-Windows): Profiling. (line 207) -* signals, USR1/SIGUSR1: Profiling. (line 182) -* SIGQUIT signal (MS-Windows): Profiling. (line 207) -* SIGUSR1 signal: Profiling. (line 182) -* silent debugger command: Dgawk Execution Control. +* SIGHUP signal: Profiling. (line 203) +* SIGINT signal (MS-Windows): Profiling. (line 206) +* signals, HUP/SIGHUP: Profiling. (line 203) +* signals, INT/SIGINT (MS-Windows): Profiling. (line 206) +* signals, QUIT/SIGQUIT (MS-Windows): Profiling. (line 206) +* signals, USR1/SIGUSR1: Profiling. (line 180) +* SIGQUIT signal (MS-Windows): Profiling. (line 206) +* SIGUSR1 signal: Profiling. (line 180) +* silent debugger command: Debugger Execution Control. (line 10) * sin() function: Numeric Functions. (line 74) * single precision floating-point: Basic Data Typing. (line 36) @@ -27068,7 +27147,7 @@ Index (line 6) * Skywalker, Luke: Undocumented. (line 6) * sleep utility: Alarm Program. (line 109) -* Solaris, POSIX-compliant awk: Other Versions. (line 86) +* Solaris, POSIX-compliant awk: Other Versions. (line 87) * sort function, arrays, sorting: Array Sorting Functions. (line 6) * sort utility: Word Sorting. (line 50) @@ -27077,17 +27156,17 @@ Index (line 93) * source code, awka: Other Versions. (line 55) * source code, Brian Kernighan's awk: Other Versions. (line 13) -* source code, Busybox Awk: Other Versions. (line 78) +* source code, Busybox Awk: Other Versions. (line 79) * source code, gawk: Gawk Distribution. (line 6) -* source code, jawk: Other Versions. (line 96) -* source code, libmawk: Other Versions. (line 104) +* source code, jawk: Other Versions. (line 97) +* source code, libmawk: Other Versions. (line 105) * source code, mawk: Other Versions. (line 35) -* source code, mixing: Options. (line 105) +* source code, mixing: Options. (line 114) * source code, pawk: Other Versions. (line 69) -* source code, QSE Awk: Other Versions. (line 108) -* source code, QuikTrim Awk: Other Versions. (line 112) -* source code, Solaris awk: Other Versions. (line 86) -* source code, xgawk: Other Versions. (line 119) +* source code, QSE Awk: Other Versions. (line 109) +* source code, QuikTrim Awk: Other Versions. (line 113) +* source code, Solaris awk: Other Versions. (line 87) +* source code, xgawk: Other Versions. (line 120) * source files, search path for: Igawk Program. (line 368) * sparse arrays: Array Intro. (line 71) * Spencer, Henry: Glossary. (line 12) @@ -27115,9 +27194,9 @@ Index * statements, compound, control statements and: Statements. (line 10) * statements, control, in actions: Statements. (line 6) * statements, multiple: Statements/Lines. (line 91) -* step debugger command: Dgawk Execution Control. +* step debugger command: Debugger Execution Control. (line 68) -* stepi debugger command: Dgawk Execution Control. +* stepi debugger command: Debugger Execution Control. (line 76) * stlen internal variable: Internals. (line 46) * stptr internal variable: Internals. (line 46) @@ -27171,8 +27250,8 @@ Index (line 148) * system() function: I/O Functions. (line 63) * systime() function (gawk): Time Functions. (line 64) -* t debugger command (alias for tbreak): Breakpoint Control. (line 89) -* tbreak debugger command: Breakpoint Control. (line 89) +* t debugger command (alias for tbreak): Breakpoint Control. (line 90) +* tbreak debugger command: Breakpoint Control. (line 90) * Tcl: Library Names. (line 57) * TCP/IP: TCP/IP Networking. (line 6) * TCP/IP, support for: Special Network. (line 6) @@ -27218,10 +27297,10 @@ Index * tolower() function: String Functions. (line 523) * toupper() function: String Functions. (line 529) * tr utility: Translate Program. (line 6) -* trace debugger command: Miscellaneous Dgawk Commands. +* trace debugger command: Miscellaneous Debugger Commands. (line 110) * translate.awk program: Translate Program. (line 55) -* troubleshooting, --non-decimal-data option: Options. (line 166) +* troubleshooting, --non-decimal-data option: Options. (line 182) * troubleshooting, == operator: Comparison Operators. (line 37) * troubleshooting, awk uses FS not IFS: Field Separators. (line 29) @@ -27262,7 +27341,7 @@ Index * truth values: Truth Values. (line 6) * type conversion: Conversion. (line 21) * type internal variable: Internals. (line 59) -* u debugger command (alias for until): Dgawk Execution Control. +* u debugger command (alias for until): Debugger Execution Control. (line 83) * undefined functions: Pass By Value/Reference. (line 71) @@ -27289,21 +27368,21 @@ Index * UNIXROOT variable, on OS/2 systems: PC Using. (line 17) * unref() internal function: Internals. (line 92) * unsigned integers: Basic Data Typing. (line 30) -* until debugger command: Dgawk Execution Control. +* until debugger command: Debugger Execution Control. (line 83) * unwatch debugger command: Viewing And Changing Data. (line 84) -* up debugger command: Dgawk Stack. (line 33) +* up debugger command: Execution Stack. (line 33) * update_ERRNO() internal function: Internals. (line 130) * update_ERRNO_saved() internal function: Internals. (line 135) * user database, reading: Passwd Functions. (line 6) * user-defined, functions: User-defined. (line 6) -* user-defined, functions, counts: Profiling. (line 132) +* user-defined, functions, counts: Profiling. (line 129) * user-defined, variables: Variables. (line 6) * user-modifiable variables: User-modified. (line 6) * users, information about, printing: Id Program. (line 6) * users, information about, retrieving: Passwd Functions. (line 16) -* USR1 signal: Profiling. (line 182) +* USR1 signal: Profiling. (line 180) * values, numeric: Basic Data Typing. (line 13) * values, string: Basic Data Typing. (line 13) * variable typing: Typing and Comparison. @@ -27354,7 +27433,7 @@ Index * Wall, Larry <1>: Future Extensions. (line 6) * Wall, Larry: Array Intro. (line 6) * Wallin, Anders: Acknowledgments. (line 60) -* warnings, issuing: Options. (line 147) +* warnings, issuing: Options. (line 163) * watch debugger command: Viewing And Changing Data. (line 67) * wc utility: Wc Program. (line 6) @@ -27366,7 +27445,7 @@ Index * whitespace, as field separators: Default Field Splitting. (line 6) * whitespace, functions, calling: Calling Built-in. (line 10) -* whitespace, newlines as: Options. (line 205) +* whitespace, newlines as: Options. (line 228) * Williams, Kent: Contributors. (line 35) * Woehlke, Matthew: Contributors. (line 79) * Woods, John: Contributors. (line 28) @@ -27382,7 +27461,7 @@ Index * words, usage counts, generating: Word Sorting. (line 6) * wstlen internal variable: Internals. (line 54) * wstptr internal variable: Internals. (line 54) -* xgawk: Other Versions. (line 119) +* xgawk: Other Versions. (line 120) * xgettext utility: String Extraction. (line 13) * XML (eXtensible Markup Language): Internals. (line 151) * XOR bitwise operation: Bitwise Functions. (line 6) @@ -27394,8 +27473,8 @@ Index * zero, negative vs. positive: Unexpected Results. (line 28) * zerofile.awk program: Empty Files. (line 21) * Zoulas, Christos: Contributors. (line 67) +* {} (braces): Profiling. (line 134) * {} (braces), actions and: Action Overview. (line 19) -* {} (braces), pgawk program: Profiling. (line 137) * {} (braces), statements, grouping: Statements. (line 10) * | (vertical bar): Regexp Operators. (line 69) * | (vertical bar), | operator (I/O) <1>: Precedence. (line 65) @@ -27422,416 +27501,417 @@ Index Tag Table: Node: Top1346 -Node: Foreword30270 -Node: Preface34615 -Ref: Preface-Footnote-137668 -Ref: Preface-Footnote-237774 -Node: History38006 -Node: Names40397 -Ref: Names-Footnote-141874 -Node: This Manual41946 -Ref: This Manual-Footnote-146893 -Node: Conventions46993 -Node: Manual History49127 -Ref: Manual History-Footnote-152397 -Ref: Manual History-Footnote-252438 -Node: How To Contribute52512 -Node: Acknowledgments53656 -Node: Getting Started57987 -Node: Running gawk60366 -Node: One-shot61552 -Node: Read Terminal62777 -Ref: Read Terminal-Footnote-164427 -Ref: Read Terminal-Footnote-264703 -Node: Long64874 -Node: Executable Scripts66250 -Ref: Executable Scripts-Footnote-168119 -Ref: Executable Scripts-Footnote-268221 -Node: Comments68672 -Node: Quoting71139 -Node: DOS Quoting75762 -Node: Sample Data Files76437 -Node: Very Simple79469 -Node: Two Rules84068 -Node: More Complex86215 -Ref: More Complex-Footnote-189145 -Node: Statements/Lines89230 -Ref: Statements/Lines-Footnote-193692 -Node: Other Features93957 -Node: When94885 -Node: Invoking Gawk97032 -Node: Command Line98417 -Node: Options99200 -Ref: Options-Footnote-1112637 -Node: Other Arguments112662 -Node: Naming Standard Input115320 -Node: Environment Variables116414 -Node: AWKPATH Variable116858 -Ref: AWKPATH Variable-Footnote-1119455 -Node: Other Environment Variables119715 -Node: Exit Status122055 -Node: Include Files122730 -Node: Obsolete126215 -Node: Undocumented126901 -Node: Regexp127142 -Node: Regexp Usage128531 -Node: Escape Sequences130557 -Node: Regexp Operators136320 -Ref: Regexp Operators-Footnote-1143517 -Ref: Regexp Operators-Footnote-2143664 -Node: Bracket Expressions143762 -Ref: table-char-classes145652 -Node: GNU Regexp Operators148175 -Node: Case-sensitivity151898 -Ref: Case-sensitivity-Footnote-1154866 -Ref: Case-sensitivity-Footnote-2155101 -Node: Leftmost Longest155209 -Node: Computed Regexps156410 -Node: Reading Files159820 -Node: Records161761 -Ref: Records-Footnote-1170435 -Node: Fields170472 -Ref: Fields-Footnote-1173505 -Node: Nonconstant Fields173591 -Node: Changing Fields175793 -Node: Field Separators181774 -Node: Default Field Splitting184403 -Node: Regexp Field Splitting185520 -Node: Single Character Fields188862 -Node: Command Line Field Separator189921 -Node: Field Splitting Summary193362 -Ref: Field Splitting Summary-Footnote-1196554 -Node: Constant Size196655 -Node: Splitting By Content201239 -Ref: Splitting By Content-Footnote-1204965 -Node: Multiple Line205005 -Ref: Multiple Line-Footnote-1210852 -Node: Getline211031 -Node: Plain Getline213259 -Node: Getline/Variable215348 -Node: Getline/File216489 -Node: Getline/Variable/File217811 -Ref: Getline/Variable/File-Footnote-1219410 -Node: Getline/Pipe219497 -Node: Getline/Variable/Pipe222057 -Node: Getline/Coprocess223164 -Node: Getline/Variable/Coprocess224407 -Node: Getline Notes225121 -Node: Getline Summary227063 -Ref: table-getline-variants227406 -Node: Command line directories228262 -Node: Printing228887 -Node: Print230518 -Node: Print Examples231855 -Node: Output Separators234639 -Node: OFMT236399 -Node: Printf237757 -Node: Basic Printf238663 -Node: Control Letters240202 -Node: Format Modifiers244014 -Node: Printf Examples250023 -Node: Redirection252738 -Node: Special Files259722 -Node: Special FD260255 -Ref: Special FD-Footnote-1263880 -Node: Special Network263954 -Node: Special Caveats264804 -Node: Close Files And Pipes265600 -Ref: Close Files And Pipes-Footnote-1272623 -Ref: Close Files And Pipes-Footnote-2272771 -Node: Expressions272921 -Node: Values274053 -Node: Constants274729 -Node: Scalar Constants275409 -Ref: Scalar Constants-Footnote-1276268 -Node: Nondecimal-numbers276450 -Node: Regexp Constants279509 -Node: Using Constant Regexps279984 -Node: Variables283039 -Node: Using Variables283694 -Node: Assignment Options285418 -Node: Conversion287290 -Ref: table-locale-affects292666 -Ref: Conversion-Footnote-1293290 -Node: All Operators293399 -Node: Arithmetic Ops294029 -Node: Concatenation296534 -Ref: Concatenation-Footnote-1299327 -Node: Assignment Ops299447 -Ref: table-assign-ops304435 -Node: Increment Ops305843 -Node: Truth Values and Conditions309313 -Node: Truth Values310396 -Node: Typing and Comparison311445 -Node: Variable Typing312234 -Ref: Variable Typing-Footnote-1316131 -Node: Comparison Operators316253 -Ref: table-relational-ops316663 -Node: POSIX String Comparison320212 -Ref: POSIX String Comparison-Footnote-1321168 -Node: Boolean Ops321306 -Ref: Boolean Ops-Footnote-1325384 -Node: Conditional Exp325475 -Node: Function Calls327207 -Node: Precedence330801 -Node: Locales334470 -Node: Patterns and Actions335559 -Node: Pattern Overview336613 -Node: Regexp Patterns338282 -Node: Expression Patterns338825 -Node: Ranges342510 -Node: BEGIN/END345476 -Node: Using BEGIN/END346238 -Ref: Using BEGIN/END-Footnote-1348969 -Node: I/O And BEGIN/END349075 -Node: BEGINFILE/ENDFILE351357 -Node: Empty354250 -Node: Using Shell Variables354566 -Node: Action Overview356851 -Node: Statements359208 -Node: If Statement361062 -Node: While Statement362561 -Node: Do Statement364605 -Node: For Statement365761 -Node: Switch Statement368913 -Node: Break Statement371010 -Node: Continue Statement373000 -Node: Next Statement374793 -Node: Nextfile Statement377183 -Node: Exit Statement379728 -Node: Built-in Variables382144 -Node: User-modified383239 -Ref: User-modified-Footnote-1391265 -Node: Auto-set391327 -Ref: Auto-set-Footnote-1400618 -Node: ARGC and ARGV400823 -Node: Arrays404674 -Node: Array Basics406179 -Node: Array Intro407005 -Node: Reference to Elements411323 -Node: Assigning Elements413593 -Node: Array Example414084 -Node: Scanning an Array415816 -Node: Controlling Scanning418130 -Ref: Controlling Scanning-Footnote-1423063 -Node: Delete423379 -Ref: Delete-Footnote-1425814 -Node: Numeric Array Subscripts425871 -Node: Uninitialized Subscripts428054 -Node: Multi-dimensional429682 -Node: Multi-scanning432776 -Node: Arrays of Arrays434367 -Node: Functions439012 -Node: Built-in439834 -Node: Calling Built-in440912 -Node: Numeric Functions442900 -Ref: Numeric Functions-Footnote-1446665 -Ref: Numeric Functions-Footnote-2447022 -Ref: Numeric Functions-Footnote-3447070 -Node: String Functions447339 -Ref: String Functions-Footnote-1470836 -Ref: String Functions-Footnote-2470965 -Ref: String Functions-Footnote-3471213 -Node: Gory Details471300 -Ref: table-sub-escapes472979 -Ref: table-sub-posix-92474333 -Ref: table-sub-proposed475676 -Ref: table-posix-sub477026 -Ref: table-gensub-escapes478572 -Ref: Gory Details-Footnote-1479779 -Ref: Gory Details-Footnote-2479830 -Node: I/O Functions479981 -Ref: I/O Functions-Footnote-1486636 -Node: Time Functions486783 -Ref: Time Functions-Footnote-1497675 -Ref: Time Functions-Footnote-2497743 -Ref: Time Functions-Footnote-3497901 -Ref: Time Functions-Footnote-4498012 -Ref: Time Functions-Footnote-5498124 -Ref: Time Functions-Footnote-6498351 -Node: Bitwise Functions498617 -Ref: table-bitwise-ops499175 -Ref: Bitwise Functions-Footnote-1503335 -Node: Type Functions503519 -Node: I18N Functions503989 -Node: User-defined505616 -Node: Definition Syntax506420 -Ref: Definition Syntax-Footnote-1511330 -Node: Function Example511399 -Node: Function Caveats513993 -Node: Calling A Function514414 -Node: Variable Scope515529 -Node: Pass By Value/Reference517504 -Node: Return Statement520944 -Node: Dynamic Typing523925 -Node: Indirect Calls524660 -Node: Internationalization534345 -Node: I18N and L10N535771 -Node: Explaining gettext536457 -Ref: Explaining gettext-Footnote-1541523 -Ref: Explaining gettext-Footnote-2541707 -Node: Programmer i18n541872 -Node: Translator i18n546072 -Node: String Extraction546865 -Ref: String Extraction-Footnote-1547826 -Node: Printf Ordering547912 -Ref: Printf Ordering-Footnote-1550696 -Node: I18N Portability550760 -Ref: I18N Portability-Footnote-1553209 -Node: I18N Example553272 -Ref: I18N Example-Footnote-1555907 -Node: Gawk I18N555979 -Node: Advanced Features556596 -Node: Nondecimal Data558109 -Node: Array Sorting559692 -Node: Controlling Array Traversal560389 -Node: Array Sorting Functions568626 -Ref: Array Sorting Functions-Footnote-1572300 -Ref: Array Sorting Functions-Footnote-2572393 -Node: Two-way I/O572587 -Ref: Two-way I/O-Footnote-1578019 -Node: TCP/IP Networking578089 -Node: Profiling580933 -Node: Library Functions588407 -Ref: Library Functions-Footnote-1591414 -Node: Library Names591585 -Ref: Library Names-Footnote-1595056 -Ref: Library Names-Footnote-2595276 -Node: General Functions595362 -Node: Strtonum Function596315 -Node: Assert Function599245 -Node: Round Function602571 -Node: Cliff Random Function604114 -Node: Ordinal Functions605130 -Ref: Ordinal Functions-Footnote-1608200 -Ref: Ordinal Functions-Footnote-2608452 -Node: Join Function608661 -Ref: Join Function-Footnote-1610432 -Node: Gettimeofday Function610632 -Node: Data File Management614347 -Node: Filetrans Function614979 -Node: Rewind Function619118 -Node: File Checking620505 -Node: Empty Files621599 -Node: Ignoring Assigns623829 -Node: Getopt Function625382 -Ref: Getopt Function-Footnote-1636686 -Node: Passwd Functions636889 -Ref: Passwd Functions-Footnote-1645864 -Node: Group Functions645952 -Node: Walking Arrays654036 -Node: Sample Programs655605 -Node: Running Examples656270 -Node: Clones656998 -Node: Cut Program658222 -Node: Egrep Program668067 -Ref: Egrep Program-Footnote-1675840 -Node: Id Program675950 -Node: Split Program679566 -Ref: Split Program-Footnote-1683085 -Node: Tee Program683213 -Node: Uniq Program686016 -Node: Wc Program693445 -Ref: Wc Program-Footnote-1697711 -Ref: Wc Program-Footnote-2697911 -Node: Miscellaneous Programs698003 -Node: Dupword Program699191 -Node: Alarm Program701222 -Node: Translate Program705971 -Ref: Translate Program-Footnote-1710358 -Ref: Translate Program-Footnote-2710586 -Node: Labels Program710720 -Ref: Labels Program-Footnote-1714091 -Node: Word Sorting714175 -Node: History Sorting718059 -Node: Extract Program719898 -Ref: Extract Program-Footnote-1727381 -Node: Simple Sed727509 -Node: Igawk Program730571 -Ref: Igawk Program-Footnote-1745728 -Ref: Igawk Program-Footnote-2745929 -Node: Anagram Program746067 -Node: Signature Program749135 -Node: Debugger750235 -Node: Debugging751146 -Node: Debugging Concepts751559 -Node: Debugging Terms753415 -Node: Awk Debugging756038 -Node: Sample dgawk session756930 -Node: dgawk invocation757422 -Node: Finding The Bug758604 -Node: List of Debugger Commands765090 -Node: Breakpoint Control766401 -Node: Dgawk Execution Control770037 -Node: Viewing And Changing Data773388 -Node: Dgawk Stack776725 -Node: Dgawk Info778185 -Node: Miscellaneous Dgawk Commands782133 -Node: Readline Support787561 -Node: Dgawk Limitations788399 -Node: Language History790588 -Node: V7/SVR3.1792100 -Node: SVR4794421 -Node: POSIX795863 -Node: BTL796871 -Node: POSIX/GNU797605 -Node: Common Extensions802756 -Node: Ranges and Locales803863 -Ref: Ranges and Locales-Footnote-1808467 -Node: Contributors808688 -Node: Installation812950 -Node: Gawk Distribution813844 -Node: Getting814328 -Node: Extracting815154 -Node: Distribution contents816846 -Node: Unix Installation822068 -Node: Quick Installation822685 -Node: Additional Configuration Options824647 -Node: Configuration Philosophy826124 -Node: Non-Unix Installation828466 -Node: PC Installation828924 -Node: PC Binary Installation830223 -Node: PC Compiling832071 -Node: PC Testing835015 -Node: PC Using836191 -Node: Cygwin840376 -Node: MSYS841376 -Node: VMS Installation841890 -Node: VMS Compilation842493 -Ref: VMS Compilation-Footnote-1843500 -Node: VMS Installation Details843558 -Node: VMS Running845193 -Node: VMS Old Gawk846800 -Node: Bugs847274 -Node: Other Versions851126 -Node: Notes856407 -Node: Compatibility Mode857099 -Node: Additions857882 -Node: Accessing The Source858694 -Node: Adding Code860119 -Node: New Ports866086 -Node: Dynamic Extensions870199 -Node: Internals871575 -Node: Plugin License880094 -Node: Sample Library880728 -Node: Internal File Description881414 -Node: Internal File Ops885129 -Ref: Internal File Ops-Footnote-1889853 -Node: Using Internal File Ops889993 -Node: Future Extensions892370 -Node: Basic Concepts894874 -Node: Basic High Level895631 -Ref: Basic High Level-Footnote-1899666 -Node: Basic Data Typing899851 -Node: Floating Point Issues904376 -Node: String Conversion Precision905459 -Ref: String Conversion Precision-Footnote-1907159 -Node: Unexpected Results907268 -Node: POSIX Floating Point Problems909094 -Ref: POSIX Floating Point Problems-Footnote-1912799 -Node: Glossary912837 -Node: Copying937813 -Node: GNU Free Documentation License975370 -Node: Index1000507 +Node: Foreword30346 +Node: Preface34691 +Ref: Preface-Footnote-137744 +Ref: Preface-Footnote-237850 +Node: History38082 +Node: Names40473 +Ref: Names-Footnote-141950 +Node: This Manual42022 +Ref: This Manual-Footnote-146960 +Node: Conventions47060 +Node: Manual History49194 +Ref: Manual History-Footnote-152464 +Ref: Manual History-Footnote-252505 +Node: How To Contribute52579 +Node: Acknowledgments53723 +Node: Getting Started58054 +Node: Running gawk60433 +Node: One-shot61619 +Node: Read Terminal62844 +Ref: Read Terminal-Footnote-164494 +Ref: Read Terminal-Footnote-264770 +Node: Long64941 +Node: Executable Scripts66317 +Ref: Executable Scripts-Footnote-168186 +Ref: Executable Scripts-Footnote-268288 +Node: Comments68739 +Node: Quoting71206 +Node: DOS Quoting75829 +Node: Sample Data Files76504 +Node: Very Simple79536 +Node: Two Rules84135 +Node: More Complex86282 +Ref: More Complex-Footnote-189212 +Node: Statements/Lines89297 +Ref: Statements/Lines-Footnote-193759 +Node: Other Features94024 +Node: When94952 +Node: Invoking Gawk97099 +Node: Command Line98484 +Node: Options99267 +Ref: Options-Footnote-1113412 +Node: Other Arguments113437 +Node: Naming Standard Input116095 +Node: Environment Variables117189 +Node: AWKPATH Variable117633 +Ref: AWKPATH Variable-Footnote-1120230 +Node: Other Environment Variables120490 +Node: Exit Status122830 +Node: Include Files123505 +Node: Obsolete126990 +Node: Undocumented127676 +Node: Regexp127917 +Node: Regexp Usage129306 +Node: Escape Sequences131332 +Node: Regexp Operators137095 +Ref: Regexp Operators-Footnote-1144292 +Ref: Regexp Operators-Footnote-2144439 +Node: Bracket Expressions144537 +Ref: table-char-classes146427 +Node: GNU Regexp Operators148950 +Node: Case-sensitivity152673 +Ref: Case-sensitivity-Footnote-1155641 +Ref: Case-sensitivity-Footnote-2155876 +Node: Leftmost Longest155984 +Node: Computed Regexps157185 +Node: Reading Files160595 +Node: Records162536 +Ref: Records-Footnote-1171210 +Node: Fields171247 +Ref: Fields-Footnote-1174280 +Node: Nonconstant Fields174366 +Node: Changing Fields176568 +Node: Field Separators182549 +Node: Default Field Splitting185178 +Node: Regexp Field Splitting186295 +Node: Single Character Fields189637 +Node: Command Line Field Separator190696 +Node: Field Splitting Summary194137 +Ref: Field Splitting Summary-Footnote-1197329 +Node: Constant Size197430 +Node: Splitting By Content202014 +Ref: Splitting By Content-Footnote-1205740 +Node: Multiple Line205780 +Ref: Multiple Line-Footnote-1211627 +Node: Getline211806 +Node: Plain Getline214034 +Node: Getline/Variable216123 +Node: Getline/File217264 +Node: Getline/Variable/File218586 +Ref: Getline/Variable/File-Footnote-1220185 +Node: Getline/Pipe220272 +Node: Getline/Variable/Pipe222832 +Node: Getline/Coprocess223939 +Node: Getline/Variable/Coprocess225182 +Node: Getline Notes225896 +Node: Getline Summary227838 +Ref: table-getline-variants228181 +Node: Command line directories229037 +Node: Printing229662 +Node: Print231293 +Node: Print Examples232630 +Node: Output Separators235414 +Node: OFMT237174 +Node: Printf238532 +Node: Basic Printf239438 +Node: Control Letters240977 +Node: Format Modifiers244789 +Node: Printf Examples250798 +Node: Redirection253513 +Node: Special Files260497 +Node: Special FD261030 +Ref: Special FD-Footnote-1264655 +Node: Special Network264729 +Node: Special Caveats265579 +Node: Close Files And Pipes266375 +Ref: Close Files And Pipes-Footnote-1273398 +Ref: Close Files And Pipes-Footnote-2273546 +Node: Expressions273696 +Node: Values274828 +Node: Constants275504 +Node: Scalar Constants276184 +Ref: Scalar Constants-Footnote-1277043 +Node: Nondecimal-numbers277225 +Node: Regexp Constants280284 +Node: Using Constant Regexps280759 +Node: Variables283814 +Node: Using Variables284469 +Node: Assignment Options286193 +Node: Conversion288065 +Ref: table-locale-affects293441 +Ref: Conversion-Footnote-1294065 +Node: All Operators294174 +Node: Arithmetic Ops294804 +Node: Concatenation297309 +Ref: Concatenation-Footnote-1300102 +Node: Assignment Ops300222 +Ref: table-assign-ops305210 +Node: Increment Ops306618 +Node: Truth Values and Conditions310088 +Node: Truth Values311171 +Node: 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Statement373775 +Node: Next Statement375568 +Node: Nextfile Statement377958 +Node: Exit Statement380503 +Node: Built-in Variables382919 +Node: User-modified384014 +Ref: User-modified-Footnote-1392040 +Node: Auto-set392102 +Ref: Auto-set-Footnote-1401393 +Node: ARGC and ARGV401598 +Node: Arrays405449 +Node: Array Basics406954 +Node: Array Intro407780 +Node: Reference to Elements412098 +Node: Assigning Elements414368 +Node: Array Example414859 +Node: Scanning an Array416591 +Node: Controlling Scanning418905 +Ref: Controlling Scanning-Footnote-1423838 +Node: Delete424154 +Ref: Delete-Footnote-1426589 +Node: Numeric Array Subscripts426646 +Node: Uninitialized Subscripts428829 +Node: Multi-dimensional430457 +Node: Multi-scanning433551 +Node: Arrays of Arrays435142 +Node: Functions439787 +Node: Built-in440609 +Node: Calling Built-in441687 +Node: Numeric Functions443675 +Ref: Numeric Functions-Footnote-1447440 +Ref: Numeric Functions-Footnote-2447797 +Ref: Numeric Functions-Footnote-3447845 +Node: String Functions448114 +Ref: String Functions-Footnote-1471611 +Ref: String Functions-Footnote-2471740 +Ref: String Functions-Footnote-3471988 +Node: Gory Details472075 +Ref: table-sub-escapes473754 +Ref: table-sub-posix-92475108 +Ref: table-sub-proposed476451 +Ref: table-posix-sub477801 +Ref: table-gensub-escapes479347 +Ref: Gory Details-Footnote-1480554 +Ref: Gory Details-Footnote-2480605 +Node: I/O Functions480756 +Ref: I/O Functions-Footnote-1487411 +Node: Time Functions487558 +Ref: Time Functions-Footnote-1498450 +Ref: Time Functions-Footnote-2498518 +Ref: Time Functions-Footnote-3498676 +Ref: Time Functions-Footnote-4498787 +Ref: Time Functions-Footnote-5498899 +Ref: Time Functions-Footnote-6499126 +Node: Bitwise Functions499392 +Ref: table-bitwise-ops499950 +Ref: Bitwise Functions-Footnote-1504110 +Node: Type Functions504294 +Node: I18N Functions504764 +Node: User-defined506391 +Node: Definition Syntax507195 +Ref: Definition Syntax-Footnote-1512105 +Node: Function Example512174 +Node: Function Caveats514768 +Node: Calling A Function515189 +Node: Variable Scope516304 +Node: Pass By Value/Reference518279 +Node: Return Statement521719 +Node: Dynamic Typing524700 +Node: Indirect Calls525435 +Node: Internationalization535120 +Node: I18N and L10N536546 +Node: Explaining gettext537232 +Ref: Explaining gettext-Footnote-1542298 +Ref: Explaining gettext-Footnote-2542482 +Node: Programmer i18n542647 +Node: Translator i18n546847 +Node: String Extraction547640 +Ref: String Extraction-Footnote-1548601 +Node: Printf Ordering548687 +Ref: Printf Ordering-Footnote-1551471 +Node: I18N Portability551535 +Ref: I18N Portability-Footnote-1553984 +Node: I18N Example554047 +Ref: I18N Example-Footnote-1556682 +Node: Gawk I18N556754 +Node: Advanced Features557371 +Node: Nondecimal Data558884 +Node: Array Sorting560467 +Node: Controlling Array Traversal561164 +Node: Array Sorting Functions569401 +Ref: Array Sorting Functions-Footnote-1573075 +Ref: Array Sorting 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Installation823226 +Node: Quick Installation823843 +Node: Additional Configuration Options825805 +Node: Configuration Philosophy827282 +Node: Non-Unix Installation829624 +Node: PC Installation830082 +Node: PC Binary Installation831381 +Node: PC Compiling833229 +Node: PC Testing836173 +Node: PC Using837349 +Node: Cygwin841534 +Node: MSYS842534 +Node: VMS Installation843048 +Node: VMS Compilation843651 +Ref: VMS Compilation-Footnote-1844658 +Node: VMS Installation Details844716 +Node: VMS Running846351 +Node: VMS Old Gawk847958 +Node: Bugs848432 +Node: Other Versions852284 +Node: Notes857599 +Node: Compatibility Mode858291 +Node: Additions859074 +Node: Accessing The Source859886 +Node: Adding Code861311 +Node: New Ports867278 +Node: Dynamic Extensions871391 +Node: Internals872831 +Node: Plugin License881350 +Node: Loading Extensions881988 +Node: Sample Library883798 +Node: Internal File Description884488 +Node: Internal File Ops888203 +Ref: Internal File Ops-Footnote-1892927 +Node: Using Internal File Ops893067 +Node: Future Extensions895444 +Node: Basic Concepts897948 +Node: Basic High Level898705 +Ref: Basic High Level-Footnote-1902740 +Node: Basic Data Typing902925 +Node: Floating Point Issues907450 +Node: String Conversion Precision908533 +Ref: String Conversion Precision-Footnote-1910233 +Node: Unexpected Results910342 +Node: POSIX Floating Point Problems912168 +Ref: POSIX Floating Point Problems-Footnote-1915873 +Node: Glossary915911 +Node: Copying940887 +Node: GNU Free Documentation License978444 +Node: Index1003581 End Tag Table |