diff options
Diffstat (limited to 'doc/gawk.info')
| -rw-r--r-- | doc/gawk.info | 1063 |
1 files changed, 535 insertions, 528 deletions
diff --git a/doc/gawk.info b/doc/gawk.info index ded680ee..b2726536 100644 --- a/doc/gawk.info +++ b/doc/gawk.info @@ -3050,6 +3050,13 @@ to manipulate the 'AWKLIBPATH' variable. 'ENVIRON["AWKLIBPATH"]'. This provides access to the actual search path value from within an 'awk' program. + Although you can change 'ENVIRON["AWKLIBPATH"]' within your 'awk' +program, this has no effect on the running program's behavior. This +makes sense: the 'AWKLIBPATH' environment variable is used to find any +requested extensions, and they are loaded before the program starts to +run. Once your program is running, all the extensions have been found, +and 'gawk' no longer needs to use 'AWKLIBPATH'. + File: gawk.info, Node: Other Environment Variables, Prev: AWKLIBPATH Variable, Up: Environment Variables @@ -36034,533 +36041,533 @@ Node: AWKPATH Variable139943 Ref: AWKPATH Variable-Footnote-1143355 Ref: AWKPATH Variable-Footnote-2143389 Node: AWKLIBPATH Variable143650 -Node: Other Environment Variables144907 -Node: Exit Status148728 -Node: Include Files149405 -Node: Loading Shared Libraries152930 -Node: Obsolete154358 -Node: Undocumented155050 -Node: Invoking Summary155347 -Node: Regexp157007 -Node: Regexp Usage158461 -Node: Escape Sequences160498 -Node: Regexp Operators166730 -Ref: Regexp Operators-Footnote-1174146 -Ref: Regexp Operators-Footnote-2174293 -Node: Bracket Expressions174391 -Ref: table-char-classes176867 -Node: Leftmost Longest180004 -Node: Computed Regexps181307 -Node: GNU Regexp Operators184734 -Node: Case-sensitivity188413 -Ref: Case-sensitivity-Footnote-1191300 -Ref: Case-sensitivity-Footnote-2191535 -Node: Regexp Summary191643 -Node: Reading Files193109 -Node: Records195378 -Node: awk split records196111 -Node: gawk split records201042 -Ref: gawk split records-Footnote-1205582 -Node: Fields205619 -Node: Nonconstant Fields208360 -Ref: Nonconstant Fields-Footnote-1210596 -Node: Changing Fields210800 -Node: Field Separators216728 -Node: Default Field Splitting219426 -Node: Regexp Field Splitting220544 -Node: Single Character Fields223897 -Node: Command Line Field Separator224957 -Node: Full Line Fields228175 -Ref: Full Line Fields-Footnote-1229697 -Ref: Full Line Fields-Footnote-2229743 -Node: Field Splitting Summary229844 -Node: Constant Size231918 -Node: Fixed width data232650 -Node: Skipping intervening236117 -Node: Allowing trailing data236915 -Node: Fields with fixed data237952 -Node: Splitting By Content239470 -Ref: Splitting By Content-Footnote-1243120 -Node: Testing field creation243283 -Node: Multiple Line244908 -Ref: Multiple Line-Footnote-1250792 -Node: Getline250971 -Node: Plain Getline253440 -Node: Getline/Variable256081 -Node: Getline/File257232 -Node: Getline/Variable/File258620 -Ref: Getline/Variable/File-Footnote-1260225 -Node: Getline/Pipe260313 -Node: Getline/Variable/Pipe263020 -Node: Getline/Coprocess264155 -Node: Getline/Variable/Coprocess265422 -Node: Getline Notes266164 -Node: Getline Summary268961 -Ref: table-getline-variants269385 -Node: Read Timeout270133 -Ref: Read Timeout-Footnote-1274039 -Node: Retrying Input274097 -Node: Command-line directories275296 -Node: Input Summary276202 -Node: Input Exercises279374 -Node: Printing280102 -Node: Print281936 -Node: Print Examples283393 -Node: Output Separators286173 -Node: OFMT288190 -Node: Printf289546 -Node: Basic Printf290331 -Node: Control Letters291905 -Node: Format Modifiers295901 -Node: Printf Examples301916 -Node: Redirection304402 -Node: Special FD311243 -Ref: Special FD-Footnote-1314411 -Node: Special Files314485 -Node: Other Inherited Files315102 -Node: Special Network316103 -Node: Special Caveats316963 -Node: Close Files And Pipes317912 -Ref: table-close-pipe-return-values324819 -Ref: Close Files And Pipes-Footnote-1325632 -Ref: Close Files And Pipes-Footnote-2325780 -Node: Nonfatal325932 -Node: Output Summary328270 -Node: Output Exercises329492 -Node: Expressions330171 -Node: Values331359 -Node: Constants332037 -Node: Scalar Constants332728 -Ref: Scalar Constants-Footnote-1333592 -Node: Nondecimal-numbers333842 -Node: Regexp Constants336843 -Node: Using Constant Regexps337369 -Node: Standard Regexp Constants337991 -Node: Strong Regexp Constants341179 -Node: Variables344137 -Node: Using Variables344794 -Node: Assignment Options346704 -Node: Conversion348577 -Node: Strings And Numbers349101 -Ref: Strings And Numbers-Footnote-1352164 -Node: Locale influences conversions352273 -Ref: table-locale-affects355031 -Node: All Operators355649 -Node: Arithmetic Ops356278 -Node: Concatenation358784 -Ref: Concatenation-Footnote-1361631 -Node: Assignment Ops361738 -Ref: table-assign-ops366729 -Node: Increment Ops368042 -Node: Truth Values and Conditions371502 -Node: Truth Values372576 -Node: Typing and Comparison373624 -Node: Variable Typing374444 -Ref: Variable Typing-Footnote-1380907 -Ref: Variable Typing-Footnote-2380979 -Node: Comparison Operators381056 -Ref: table-relational-ops381475 -Node: POSIX String Comparison384970 -Ref: POSIX String Comparison-Footnote-1386665 -Ref: POSIX String Comparison-Footnote-2386804 -Node: Boolean Ops386888 -Ref: Boolean Ops-Footnote-1391370 -Node: Conditional Exp391462 -Node: Function Calls393198 -Node: Precedence397075 -Node: Locales400734 -Node: Expressions Summary402366 -Node: Patterns and Actions404939 -Node: Pattern Overview406059 -Node: Regexp Patterns407736 -Node: Expression Patterns408278 -Node: Ranges412059 -Node: BEGIN/END415167 -Node: Using BEGIN/END415928 -Ref: Using BEGIN/END-Footnote-1418664 -Node: I/O And BEGIN/END418770 -Node: BEGINFILE/ENDFILE421084 -Node: Empty423997 -Node: Using Shell Variables424314 -Node: Action Overview426588 -Node: Statements428913 -Node: If Statement430761 -Node: While Statement432256 -Node: Do Statement434284 -Node: For Statement435432 -Node: Switch Statement438603 -Node: Break Statement440989 -Node: Continue Statement443081 -Node: Next Statement444908 -Node: Nextfile Statement447291 -Node: Exit Statement449943 -Node: Built-in Variables452346 -Node: User-modified453479 -Node: Auto-set461246 -Ref: Auto-set-Footnote-1477579 -Ref: Auto-set-Footnote-2477785 -Node: ARGC and ARGV477841 -Node: Pattern Action Summary482054 -Node: Arrays484484 -Node: Array Basics485813 -Node: Array Intro486657 -Ref: figure-array-elements488632 -Ref: Array Intro-Footnote-1491336 -Node: Reference to Elements491464 -Node: Assigning Elements493928 -Node: Array Example494419 -Node: Scanning an Array496178 -Node: Controlling Scanning499200 -Ref: Controlling Scanning-Footnote-1504599 -Node: Numeric Array Subscripts504915 -Node: Uninitialized Subscripts507099 -Node: Delete508718 -Ref: Delete-Footnote-1511470 -Node: Multidimensional511527 -Node: Multiscanning514622 -Node: Arrays of Arrays516213 -Node: Arrays Summary520980 -Node: Functions523073 -Node: Built-in524111 -Node: Calling Built-in525192 -Node: Numeric Functions527188 -Ref: Numeric Functions-Footnote-1531216 -Ref: Numeric Functions-Footnote-2531573 -Ref: Numeric Functions-Footnote-3531621 -Node: String Functions531893 -Ref: String Functions-Footnote-1555551 -Ref: String Functions-Footnote-2555679 -Ref: String Functions-Footnote-3555927 -Node: Gory Details556014 -Ref: table-sub-escapes557805 -Ref: table-sub-proposed559324 -Ref: table-posix-sub560687 -Ref: table-gensub-escapes562228 -Ref: Gory Details-Footnote-1563051 -Node: I/O Functions563205 -Ref: table-system-return-values569673 -Ref: I/O Functions-Footnote-1571653 -Ref: I/O Functions-Footnote-2571801 -Node: Time Functions571921 -Ref: Time Functions-Footnote-1582592 -Ref: Time Functions-Footnote-2582660 -Ref: Time Functions-Footnote-3582818 -Ref: Time Functions-Footnote-4582929 -Ref: Time Functions-Footnote-5583041 -Ref: Time Functions-Footnote-6583268 -Node: Bitwise Functions583534 -Ref: table-bitwise-ops584128 -Ref: Bitwise Functions-Footnote-1590173 -Ref: Bitwise Functions-Footnote-2590346 -Node: Type Functions590537 -Node: I18N Functions593288 -Node: User-defined594939 -Node: Definition Syntax595744 -Ref: Definition Syntax-Footnote-1601431 -Node: Function Example601502 -Ref: Function Example-Footnote-1604424 -Node: Function Caveats604446 -Node: Calling A Function604964 -Node: Variable Scope605922 -Node: Pass By Value/Reference608916 -Node: Return Statement612415 -Node: Dynamic Typing615394 -Node: Indirect Calls616324 -Ref: Indirect Calls-Footnote-1626576 -Node: Functions Summary626704 -Node: Library Functions629409 -Ref: Library Functions-Footnote-1633016 -Ref: Library Functions-Footnote-2633159 -Node: Library Names633330 -Ref: Library Names-Footnote-1636790 -Ref: Library Names-Footnote-2637013 -Node: General Functions637099 -Node: Strtonum Function638202 -Node: Assert Function641224 -Node: Round Function644550 -Node: Cliff Random Function646090 -Node: Ordinal Functions647106 -Ref: Ordinal Functions-Footnote-1650169 -Ref: Ordinal Functions-Footnote-2650421 -Node: Join Function650631 -Ref: Join Function-Footnote-1652401 -Node: Getlocaltime Function652601 -Node: Readfile Function656343 -Node: Shell Quoting658320 -Node: Data File Management659721 -Node: Filetrans Function660353 -Node: Rewind Function664449 -Node: File Checking666359 -Ref: File Checking-Footnote-1667693 -Node: Empty Files667894 -Node: Ignoring Assigns669873 -Node: Getopt Function671423 -Ref: Getopt Function-Footnote-1682892 -Node: Passwd Functions683092 -Ref: Passwd Functions-Footnote-1691931 -Node: Group Functions692019 -Ref: Group Functions-Footnote-1699917 -Node: Walking Arrays700124 -Node: Library Functions Summary703132 -Node: Library Exercises704538 -Node: Sample Programs705003 -Node: Running Examples705773 -Node: Clones706501 -Node: Cut Program707725 -Node: Egrep Program717654 -Ref: Egrep Program-Footnote-1725166 -Node: Id Program725276 -Node: Split Program728956 -Ref: Split Program-Footnote-1732414 -Node: Tee Program732543 -Node: Uniq Program735333 -Node: Wc Program742759 -Ref: Wc Program-Footnote-1747014 -Node: Miscellaneous Programs747108 -Node: Dupword Program748321 -Node: Alarm Program750351 -Node: Translate Program755206 -Ref: Translate Program-Footnote-1759771 -Node: Labels Program760041 -Ref: Labels Program-Footnote-1763392 -Node: Word Sorting763476 -Node: History Sorting767548 -Node: Extract Program769383 -Node: Simple Sed776913 -Node: Igawk Program779987 -Ref: Igawk Program-Footnote-1794318 -Ref: Igawk Program-Footnote-2794520 -Ref: Igawk Program-Footnote-3794642 -Node: Anagram Program794757 -Node: Signature Program797819 -Node: Programs Summary799066 -Node: Programs Exercises800280 -Ref: Programs Exercises-Footnote-1804409 -Node: Advanced Features804500 -Node: Nondecimal Data806490 -Node: Array Sorting808081 -Node: Controlling Array Traversal808781 -Ref: Controlling Array Traversal-Footnote-1817149 -Node: Array Sorting Functions817267 -Ref: Array Sorting Functions-Footnote-1822358 -Node: Two-way I/O822554 -Ref: Two-way I/O-Footnote-1829106 -Ref: Two-way I/O-Footnote-2829293 -Node: TCP/IP Networking829375 -Node: Profiling832493 -Ref: Profiling-Footnote-1841165 -Node: Advanced Features Summary841488 -Node: Internationalization843332 -Node: I18N and L10N844812 -Node: Explaining gettext845499 -Ref: Explaining gettext-Footnote-1851391 -Ref: Explaining gettext-Footnote-2851576 -Node: Programmer i18n851741 -Ref: Programmer i18n-Footnote-1856690 -Node: Translator i18n856739 -Node: String Extraction857533 -Ref: String Extraction-Footnote-1858665 -Node: Printf Ordering858751 -Ref: Printf Ordering-Footnote-1861537 -Node: I18N Portability861601 -Ref: I18N Portability-Footnote-1864057 -Node: I18N Example864120 -Ref: I18N Example-Footnote-1866926 -Node: Gawk I18N866999 -Node: I18N Summary867644 -Node: Debugger868985 -Node: Debugging870008 -Node: Debugging Concepts870449 -Node: Debugging Terms872258 -Node: Awk Debugging874833 -Node: Sample Debugging Session875739 -Node: Debugger Invocation876273 -Node: Finding The Bug877659 -Node: List of Debugger Commands884137 -Node: Breakpoint Control885470 -Node: Debugger Execution Control889164 -Node: Viewing And Changing Data892526 -Node: Execution Stack895900 -Node: Debugger Info897537 -Node: Miscellaneous Debugger Commands901608 -Node: Readline Support906670 -Node: Limitations907566 -Node: Debugging Summary909675 -Node: Arbitrary Precision Arithmetic910954 -Node: Computer Arithmetic912439 -Ref: table-numeric-ranges916205 -Ref: table-floating-point-ranges916698 -Ref: Computer Arithmetic-Footnote-1917356 -Node: Math Definitions917413 -Ref: table-ieee-formats920729 -Ref: Math Definitions-Footnote-1921332 -Node: MPFR features921437 -Node: FP Math Caution923155 -Ref: FP Math Caution-Footnote-1924227 -Node: Inexactness of computations924596 -Node: Inexact representation925556 -Node: Comparing FP Values926916 -Node: Errors accumulate927998 -Node: Getting Accuracy929431 -Node: Try To Round932141 -Node: Setting precision933040 -Ref: table-predefined-precision-strings933737 -Node: Setting the rounding mode935567 -Ref: table-gawk-rounding-modes935941 -Ref: Setting the rounding mode-Footnote-1939872 -Node: Arbitrary Precision Integers940051 -Ref: Arbitrary Precision Integers-Footnote-1943226 -Node: Checking for MPFR943375 -Node: POSIX Floating Point Problems944849 -Ref: POSIX Floating Point Problems-Footnote-1948720 -Node: Floating point summary948758 -Node: Dynamic Extensions950948 -Node: Extension Intro952501 -Node: Plugin License953767 -Node: Extension Mechanism Outline954564 -Ref: figure-load-extension955003 -Ref: figure-register-new-function956568 -Ref: figure-call-new-function957660 -Node: Extension API Description959722 -Node: Extension API Functions Introduction961364 -Node: General Data Types966904 -Ref: General Data Types-Footnote-1975265 -Node: Memory Allocation Functions975564 -Ref: Memory Allocation Functions-Footnote-1979774 -Node: Constructor Functions979873 -Node: Registration Functions983459 -Node: Extension Functions984144 -Node: Exit Callback Functions989359 -Node: Extension Version String990609 -Node: Input Parsers991272 -Node: Output Wrappers1003993 -Node: Two-way processors1008505 -Node: Printing Messages1010770 -Ref: Printing Messages-Footnote-11011941 -Node: Updating ERRNO1012094 -Node: Requesting Values1012833 -Ref: table-value-types-returned1013570 -Node: Accessing Parameters1014506 -Node: Symbol Table Access1015741 -Node: Symbol table by name1016253 -Node: Symbol table by cookie1018042 -Ref: Symbol table by cookie-Footnote-11022227 -Node: Cached values1022291 -Ref: Cached values-Footnote-11025827 -Node: Array Manipulation1025980 -Ref: Array Manipulation-Footnote-11027071 -Node: Array Data Types1027108 -Ref: Array Data Types-Footnote-11029766 -Node: Array Functions1029858 -Node: Flattening Arrays1034356 -Node: Creating Arrays1041332 -Node: Redirection API1046099 -Node: Extension API Variables1048932 -Node: Extension Versioning1049643 -Ref: gawk-api-version1050072 -Node: Extension GMP/MPFR Versioning1051803 -Node: Extension API Informational Variables1053431 -Node: Extension API Boilerplate1054504 -Node: Changes from API V11058478 -Node: Finding Extensions1060050 -Node: Extension Example1060609 -Node: Internal File Description1061407 -Node: Internal File Ops1065487 -Ref: Internal File Ops-Footnote-11076837 -Node: Using Internal File Ops1076977 -Ref: Using Internal File Ops-Footnote-11079360 -Node: Extension Samples1079634 -Node: Extension Sample File Functions1081163 -Node: Extension Sample Fnmatch1088812 -Node: Extension Sample Fork1090299 -Node: Extension Sample Inplace1091517 -Node: Extension Sample Ord1094734 -Node: Extension Sample Readdir1095570 -Ref: table-readdir-file-types1096459 -Node: Extension Sample Revout1097264 -Node: Extension Sample Rev2way1097853 -Node: Extension Sample Read write array1098593 -Node: Extension Sample Readfile1100535 -Node: Extension Sample Time1101630 -Node: Extension Sample API Tests1102978 -Node: gawkextlib1103470 -Node: Extension summary1106388 -Node: Extension Exercises1110090 -Node: Language History1111588 -Node: V7/SVR3.11113244 -Node: SVR41115396 -Node: POSIX1116830 -Node: BTL1118210 -Node: POSIX/GNU1118939 -Node: Feature History1124717 -Node: Common Extensions1140576 -Node: Ranges and Locales1141859 -Ref: Ranges and Locales-Footnote-11146475 -Ref: Ranges and Locales-Footnote-21146502 -Ref: Ranges and Locales-Footnote-31146737 -Node: Contributors1146958 -Node: History summary1152903 -Node: Installation1154283 -Node: Gawk Distribution1155227 -Node: Getting1155711 -Node: Extracting1156674 -Node: Distribution contents1158312 -Node: Unix Installation1164792 -Node: Quick Installation1165474 -Node: Shell Startup Files1167888 -Node: Additional Configuration Options1168977 -Node: Configuration Philosophy1171270 -Node: Non-Unix Installation1173639 -Node: PC Installation1174099 -Node: PC Binary Installation1174937 -Node: PC Compiling1175372 -Node: PC Using1176489 -Node: Cygwin1179534 -Node: MSYS1180304 -Node: VMS Installation1180805 -Node: VMS Compilation1181596 -Ref: VMS Compilation-Footnote-11182825 -Node: VMS Dynamic Extensions1182883 -Node: VMS Installation Details1184568 -Node: VMS Running1186821 -Node: VMS GNV1191100 -Node: VMS Old Gawk1191835 -Node: Bugs1192306 -Node: Bug address1192969 -Node: Usenet1195761 -Node: Maintainers1196538 -Node: Other Versions1197799 -Node: Installation summary1204561 -Node: Notes1205763 -Node: Compatibility Mode1206628 -Node: Additions1207410 -Node: Accessing The Source1208335 -Node: Adding Code1209772 -Node: New Ports1215991 -Node: Derived Files1220479 -Ref: Derived Files-Footnote-11226125 -Ref: Derived Files-Footnote-21226160 -Ref: Derived Files-Footnote-31226758 -Node: Future Extensions1226872 -Node: Implementation Limitations1227530 -Node: Extension Design1228713 -Node: Old Extension Problems1229867 -Ref: Old Extension Problems-Footnote-11231385 -Node: Extension New Mechanism Goals1231442 -Ref: Extension New Mechanism Goals-Footnote-11234806 -Node: Extension Other Design Decisions1234995 -Node: Extension Future Growth1237108 -Node: Old Extension Mechanism1237944 -Node: Notes summary1239707 -Node: Basic Concepts1240889 -Node: Basic High Level1241570 -Ref: figure-general-flow1241852 -Ref: figure-process-flow1242537 -Ref: Basic High Level-Footnote-11245838 -Node: Basic Data Typing1246023 -Node: Glossary1249351 -Node: Copying1281189 -Node: GNU Free Documentation License1318732 -Node: Index1343852 +Node: Other Environment Variables145308 +Node: Exit Status149129 +Node: Include Files149806 +Node: Loading Shared Libraries153331 +Node: Obsolete154759 +Node: Undocumented155451 +Node: Invoking Summary155748 +Node: Regexp157408 +Node: Regexp Usage158862 +Node: Escape Sequences160899 +Node: Regexp Operators167131 +Ref: Regexp Operators-Footnote-1174547 +Ref: Regexp Operators-Footnote-2174694 +Node: Bracket Expressions174792 +Ref: table-char-classes177268 +Node: Leftmost Longest180405 +Node: Computed Regexps181708 +Node: GNU Regexp Operators185135 +Node: Case-sensitivity188814 +Ref: Case-sensitivity-Footnote-1191701 +Ref: Case-sensitivity-Footnote-2191936 +Node: Regexp Summary192044 +Node: Reading Files193510 +Node: Records195779 +Node: awk split records196512 +Node: gawk split records201443 +Ref: gawk split records-Footnote-1205983 +Node: Fields206020 +Node: Nonconstant Fields208761 +Ref: Nonconstant Fields-Footnote-1210997 +Node: Changing Fields211201 +Node: Field Separators217129 +Node: Default Field Splitting219827 +Node: Regexp Field Splitting220945 +Node: Single Character Fields224298 +Node: Command Line Field Separator225358 +Node: Full Line Fields228576 +Ref: Full Line Fields-Footnote-1230098 +Ref: Full Line Fields-Footnote-2230144 +Node: Field Splitting Summary230245 +Node: Constant Size232319 +Node: Fixed width data233051 +Node: Skipping intervening236518 +Node: Allowing trailing data237316 +Node: Fields with fixed data238353 +Node: Splitting By Content239871 +Ref: Splitting By Content-Footnote-1243521 +Node: Testing field creation243684 +Node: Multiple Line245309 +Ref: Multiple Line-Footnote-1251193 +Node: Getline251372 +Node: Plain Getline253841 +Node: Getline/Variable256482 +Node: Getline/File257633 +Node: Getline/Variable/File259021 +Ref: Getline/Variable/File-Footnote-1260626 +Node: Getline/Pipe260714 +Node: Getline/Variable/Pipe263421 +Node: Getline/Coprocess264556 +Node: Getline/Variable/Coprocess265823 +Node: Getline Notes266565 +Node: Getline Summary269362 +Ref: table-getline-variants269786 +Node: Read Timeout270534 +Ref: Read Timeout-Footnote-1274440 +Node: Retrying Input274498 +Node: Command-line directories275697 +Node: Input Summary276603 +Node: Input Exercises279775 +Node: Printing280503 +Node: Print282337 +Node: Print Examples283794 +Node: Output Separators286574 +Node: OFMT288591 +Node: Printf289947 +Node: Basic Printf290732 +Node: Control Letters292306 +Node: Format Modifiers296302 +Node: Printf Examples302317 +Node: Redirection304803 +Node: Special FD311644 +Ref: Special FD-Footnote-1314812 +Node: Special Files314886 +Node: Other Inherited Files315503 +Node: Special Network316504 +Node: Special Caveats317364 +Node: Close Files And Pipes318313 +Ref: table-close-pipe-return-values325220 +Ref: Close Files And Pipes-Footnote-1326033 +Ref: Close Files And Pipes-Footnote-2326181 +Node: Nonfatal326333 +Node: Output Summary328671 +Node: Output Exercises329893 +Node: Expressions330572 +Node: Values331760 +Node: Constants332438 +Node: Scalar Constants333129 +Ref: Scalar Constants-Footnote-1333993 +Node: Nondecimal-numbers334243 +Node: Regexp Constants337244 +Node: Using Constant Regexps337770 +Node: Standard Regexp Constants338392 +Node: Strong Regexp Constants341580 +Node: Variables344538 +Node: Using Variables345195 +Node: Assignment Options347105 +Node: Conversion348978 +Node: Strings And Numbers349502 +Ref: Strings And Numbers-Footnote-1352565 +Node: Locale influences conversions352674 +Ref: table-locale-affects355432 +Node: All Operators356050 +Node: Arithmetic Ops356679 +Node: Concatenation359185 +Ref: Concatenation-Footnote-1362032 +Node: Assignment Ops362139 +Ref: table-assign-ops367130 +Node: Increment Ops368443 +Node: Truth Values and Conditions371903 +Node: Truth Values372977 +Node: Typing and Comparison374025 +Node: Variable Typing374845 +Ref: Variable Typing-Footnote-1381308 +Ref: Variable Typing-Footnote-2381380 +Node: Comparison Operators381457 +Ref: table-relational-ops381876 +Node: POSIX String Comparison385371 +Ref: POSIX String Comparison-Footnote-1387066 +Ref: POSIX String Comparison-Footnote-2387205 +Node: Boolean Ops387289 +Ref: Boolean Ops-Footnote-1391771 +Node: Conditional Exp391863 +Node: Function Calls393599 +Node: Precedence397476 +Node: Locales401135 +Node: Expressions Summary402767 +Node: Patterns and Actions405340 +Node: Pattern Overview406460 +Node: Regexp Patterns408137 +Node: Expression Patterns408679 +Node: Ranges412460 +Node: BEGIN/END415568 +Node: Using BEGIN/END416329 +Ref: Using BEGIN/END-Footnote-1419065 +Node: I/O And BEGIN/END419171 +Node: BEGINFILE/ENDFILE421485 +Node: Empty424398 +Node: Using Shell Variables424715 +Node: Action Overview426989 +Node: Statements429314 +Node: If Statement431162 +Node: While Statement432657 +Node: Do Statement434685 +Node: For Statement435833 +Node: Switch Statement439004 +Node: Break Statement441390 +Node: Continue Statement443482 +Node: Next Statement445309 +Node: Nextfile Statement447692 +Node: Exit Statement450344 +Node: Built-in Variables452747 +Node: User-modified453880 +Node: Auto-set461647 +Ref: Auto-set-Footnote-1477980 +Ref: Auto-set-Footnote-2478186 +Node: ARGC and ARGV478242 +Node: Pattern Action Summary482455 +Node: Arrays484885 +Node: Array Basics486214 +Node: Array Intro487058 +Ref: figure-array-elements489033 +Ref: Array Intro-Footnote-1491737 +Node: Reference to Elements491865 +Node: Assigning Elements494329 +Node: Array Example494820 +Node: Scanning an Array496579 +Node: Controlling Scanning499601 +Ref: Controlling Scanning-Footnote-1505000 +Node: Numeric Array Subscripts505316 +Node: Uninitialized Subscripts507500 +Node: Delete509119 +Ref: Delete-Footnote-1511871 +Node: Multidimensional511928 +Node: Multiscanning515023 +Node: Arrays of Arrays516614 +Node: Arrays Summary521381 +Node: Functions523474 +Node: Built-in524512 +Node: Calling Built-in525593 +Node: Numeric Functions527589 +Ref: Numeric Functions-Footnote-1531617 +Ref: Numeric Functions-Footnote-2531974 +Ref: Numeric Functions-Footnote-3532022 +Node: String Functions532294 +Ref: String Functions-Footnote-1555952 +Ref: String Functions-Footnote-2556080 +Ref: String Functions-Footnote-3556328 +Node: Gory Details556415 +Ref: table-sub-escapes558206 +Ref: table-sub-proposed559725 +Ref: table-posix-sub561088 +Ref: table-gensub-escapes562629 +Ref: Gory Details-Footnote-1563452 +Node: I/O Functions563606 +Ref: table-system-return-values570074 +Ref: I/O Functions-Footnote-1572054 +Ref: I/O Functions-Footnote-2572202 +Node: Time Functions572322 +Ref: Time Functions-Footnote-1582993 +Ref: Time Functions-Footnote-2583061 +Ref: Time Functions-Footnote-3583219 +Ref: Time Functions-Footnote-4583330 +Ref: Time Functions-Footnote-5583442 +Ref: Time Functions-Footnote-6583669 +Node: Bitwise Functions583935 +Ref: table-bitwise-ops584529 +Ref: Bitwise Functions-Footnote-1590574 +Ref: Bitwise Functions-Footnote-2590747 +Node: Type Functions590938 +Node: I18N Functions593689 +Node: User-defined595340 +Node: Definition Syntax596145 +Ref: Definition Syntax-Footnote-1601832 +Node: Function Example601903 +Ref: Function Example-Footnote-1604825 +Node: Function Caveats604847 +Node: Calling A Function605365 +Node: Variable Scope606323 +Node: Pass By Value/Reference609317 +Node: Return Statement612816 +Node: Dynamic Typing615795 +Node: Indirect Calls616725 +Ref: Indirect Calls-Footnote-1626977 +Node: Functions Summary627105 +Node: Library Functions629810 +Ref: Library Functions-Footnote-1633417 +Ref: Library Functions-Footnote-2633560 +Node: Library Names633731 +Ref: Library Names-Footnote-1637191 +Ref: Library Names-Footnote-2637414 +Node: General Functions637500 +Node: Strtonum Function638603 +Node: Assert Function641625 +Node: Round Function644951 +Node: Cliff Random Function646491 +Node: Ordinal Functions647507 +Ref: Ordinal Functions-Footnote-1650570 +Ref: Ordinal Functions-Footnote-2650822 +Node: Join Function651032 +Ref: Join Function-Footnote-1652802 +Node: Getlocaltime Function653002 +Node: Readfile Function656744 +Node: Shell Quoting658721 +Node: Data File Management660122 +Node: Filetrans Function660754 +Node: Rewind Function664850 +Node: File Checking666760 +Ref: File Checking-Footnote-1668094 +Node: Empty Files668295 +Node: Ignoring Assigns670274 +Node: Getopt Function671824 +Ref: Getopt Function-Footnote-1683293 +Node: Passwd Functions683493 +Ref: Passwd Functions-Footnote-1692332 +Node: Group Functions692420 +Ref: Group Functions-Footnote-1700318 +Node: Walking Arrays700525 +Node: Library Functions Summary703533 +Node: Library Exercises704939 +Node: Sample Programs705404 +Node: Running Examples706174 +Node: Clones706902 +Node: Cut Program708126 +Node: Egrep Program718055 +Ref: Egrep Program-Footnote-1725567 +Node: Id Program725677 +Node: Split Program729357 +Ref: Split Program-Footnote-1732815 +Node: Tee Program732944 +Node: Uniq Program735734 +Node: Wc Program743160 +Ref: Wc Program-Footnote-1747415 +Node: Miscellaneous Programs747509 +Node: Dupword Program748722 +Node: Alarm Program750752 +Node: Translate Program755607 +Ref: Translate Program-Footnote-1760172 +Node: Labels Program760442 +Ref: Labels Program-Footnote-1763793 +Node: Word Sorting763877 +Node: History Sorting767949 +Node: Extract Program769784 +Node: Simple Sed777314 +Node: Igawk Program780388 +Ref: Igawk Program-Footnote-1794719 +Ref: Igawk Program-Footnote-2794921 +Ref: Igawk Program-Footnote-3795043 +Node: Anagram Program795158 +Node: Signature Program798220 +Node: Programs Summary799467 +Node: Programs Exercises800681 +Ref: Programs Exercises-Footnote-1804810 +Node: Advanced Features804901 +Node: Nondecimal Data806891 +Node: Array Sorting808482 +Node: Controlling Array Traversal809182 +Ref: Controlling Array Traversal-Footnote-1817550 +Node: Array Sorting Functions817668 +Ref: Array Sorting Functions-Footnote-1822759 +Node: Two-way I/O822955 +Ref: Two-way I/O-Footnote-1829507 +Ref: Two-way I/O-Footnote-2829694 +Node: TCP/IP Networking829776 +Node: Profiling832894 +Ref: Profiling-Footnote-1841566 +Node: Advanced Features Summary841889 +Node: Internationalization843733 +Node: I18N and L10N845213 +Node: Explaining gettext845900 +Ref: Explaining gettext-Footnote-1851792 +Ref: Explaining gettext-Footnote-2851977 +Node: Programmer i18n852142 +Ref: Programmer i18n-Footnote-1857091 +Node: Translator i18n857140 +Node: String Extraction857934 +Ref: String Extraction-Footnote-1859066 +Node: Printf Ordering859152 +Ref: Printf Ordering-Footnote-1861938 +Node: I18N Portability862002 +Ref: I18N Portability-Footnote-1864458 +Node: I18N Example864521 +Ref: I18N Example-Footnote-1867327 +Node: Gawk I18N867400 +Node: I18N Summary868045 +Node: Debugger869386 +Node: Debugging870409 +Node: Debugging Concepts870850 +Node: Debugging Terms872659 +Node: Awk Debugging875234 +Node: Sample Debugging Session876140 +Node: Debugger Invocation876674 +Node: Finding The Bug878060 +Node: List of Debugger Commands884538 +Node: Breakpoint Control885871 +Node: Debugger Execution Control889565 +Node: Viewing And Changing Data892927 +Node: Execution Stack896301 +Node: Debugger Info897938 +Node: Miscellaneous Debugger Commands902009 +Node: Readline Support907071 +Node: Limitations907967 +Node: Debugging Summary910076 +Node: Arbitrary Precision Arithmetic911355 +Node: Computer Arithmetic912840 +Ref: table-numeric-ranges916606 +Ref: table-floating-point-ranges917099 +Ref: Computer Arithmetic-Footnote-1917757 +Node: Math Definitions917814 +Ref: table-ieee-formats921130 +Ref: Math Definitions-Footnote-1921733 +Node: MPFR features921838 +Node: FP Math Caution923556 +Ref: FP Math Caution-Footnote-1924628 +Node: Inexactness of computations924997 +Node: Inexact representation925957 +Node: Comparing FP Values927317 +Node: Errors accumulate928399 +Node: Getting Accuracy929832 +Node: Try To Round932542 +Node: Setting precision933441 +Ref: table-predefined-precision-strings934138 +Node: Setting the rounding mode935968 +Ref: table-gawk-rounding-modes936342 +Ref: Setting the rounding mode-Footnote-1940273 +Node: Arbitrary Precision Integers940452 +Ref: Arbitrary Precision Integers-Footnote-1943627 +Node: Checking for MPFR943776 +Node: POSIX Floating Point Problems945250 +Ref: POSIX Floating Point Problems-Footnote-1949121 +Node: Floating point summary949159 +Node: Dynamic Extensions951349 +Node: Extension Intro952902 +Node: Plugin License954168 +Node: Extension Mechanism Outline954965 +Ref: figure-load-extension955404 +Ref: figure-register-new-function956969 +Ref: figure-call-new-function958061 +Node: Extension API Description960123 +Node: Extension API Functions Introduction961765 +Node: General Data Types967305 +Ref: General Data Types-Footnote-1975666 +Node: Memory Allocation Functions975965 +Ref: Memory Allocation Functions-Footnote-1980175 +Node: Constructor Functions980274 +Node: Registration Functions983860 +Node: Extension Functions984545 +Node: Exit Callback Functions989760 +Node: Extension Version String991010 +Node: Input Parsers991673 +Node: Output Wrappers1004394 +Node: Two-way processors1008906 +Node: Printing Messages1011171 +Ref: Printing Messages-Footnote-11012342 +Node: Updating ERRNO1012495 +Node: Requesting Values1013234 +Ref: table-value-types-returned1013971 +Node: Accessing Parameters1014907 +Node: Symbol Table Access1016142 +Node: Symbol table by name1016654 +Node: Symbol table by cookie1018443 +Ref: Symbol table by cookie-Footnote-11022628 +Node: Cached values1022692 +Ref: Cached values-Footnote-11026228 +Node: Array Manipulation1026381 +Ref: Array Manipulation-Footnote-11027472 +Node: Array Data Types1027509 +Ref: Array Data Types-Footnote-11030167 +Node: Array Functions1030259 +Node: Flattening Arrays1034757 +Node: Creating Arrays1041733 +Node: Redirection API1046500 +Node: Extension API Variables1049333 +Node: Extension Versioning1050044 +Ref: gawk-api-version1050473 +Node: Extension GMP/MPFR Versioning1052204 +Node: Extension API Informational Variables1053832 +Node: Extension API Boilerplate1054905 +Node: Changes from API V11058879 +Node: Finding Extensions1060451 +Node: Extension Example1061010 +Node: Internal File Description1061808 +Node: Internal File Ops1065888 +Ref: Internal File Ops-Footnote-11077238 +Node: Using Internal File Ops1077378 +Ref: Using Internal File Ops-Footnote-11079761 +Node: Extension Samples1080035 +Node: Extension Sample File Functions1081564 +Node: Extension Sample Fnmatch1089213 +Node: Extension Sample Fork1090700 +Node: Extension Sample Inplace1091918 +Node: Extension Sample Ord1095135 +Node: Extension Sample Readdir1095971 +Ref: table-readdir-file-types1096860 +Node: Extension Sample Revout1097665 +Node: Extension Sample Rev2way1098254 +Node: Extension Sample Read write array1098994 +Node: Extension Sample Readfile1100936 +Node: Extension Sample Time1102031 +Node: Extension Sample API Tests1103379 +Node: gawkextlib1103871 +Node: Extension summary1106789 +Node: Extension Exercises1110491 +Node: Language History1111989 +Node: V7/SVR3.11113645 +Node: SVR41115797 +Node: POSIX1117231 +Node: BTL1118611 +Node: POSIX/GNU1119340 +Node: Feature History1125118 +Node: Common Extensions1140977 +Node: Ranges and Locales1142260 +Ref: Ranges and Locales-Footnote-11146876 +Ref: Ranges and Locales-Footnote-21146903 +Ref: Ranges and Locales-Footnote-31147138 +Node: Contributors1147359 +Node: History summary1153304 +Node: Installation1154684 +Node: Gawk Distribution1155628 +Node: Getting1156112 +Node: Extracting1157075 +Node: Distribution contents1158713 +Node: Unix Installation1165193 +Node: Quick Installation1165875 +Node: Shell Startup Files1168289 +Node: Additional Configuration Options1169378 +Node: Configuration Philosophy1171671 +Node: Non-Unix Installation1174040 +Node: PC Installation1174500 +Node: PC Binary Installation1175338 +Node: PC Compiling1175773 +Node: PC Using1176890 +Node: Cygwin1179935 +Node: MSYS1180705 +Node: VMS Installation1181206 +Node: VMS Compilation1181997 +Ref: VMS Compilation-Footnote-11183226 +Node: VMS Dynamic Extensions1183284 +Node: VMS Installation Details1184969 +Node: VMS Running1187222 +Node: VMS GNV1191501 +Node: VMS Old Gawk1192236 +Node: Bugs1192707 +Node: Bug address1193370 +Node: Usenet1196162 +Node: Maintainers1196939 +Node: Other Versions1198200 +Node: Installation summary1204962 +Node: Notes1206164 +Node: Compatibility Mode1207029 +Node: Additions1207811 +Node: Accessing The Source1208736 +Node: Adding Code1210173 +Node: New Ports1216392 +Node: Derived Files1220880 +Ref: Derived Files-Footnote-11226526 +Ref: Derived Files-Footnote-21226561 +Ref: Derived Files-Footnote-31227159 +Node: Future Extensions1227273 +Node: Implementation Limitations1227931 +Node: Extension Design1229114 +Node: Old Extension Problems1230268 +Ref: Old Extension Problems-Footnote-11231786 +Node: Extension New Mechanism Goals1231843 +Ref: Extension New Mechanism Goals-Footnote-11235207 +Node: Extension Other Design Decisions1235396 +Node: Extension Future Growth1237509 +Node: Old Extension Mechanism1238345 +Node: Notes summary1240108 +Node: Basic Concepts1241290 +Node: Basic High Level1241971 +Ref: figure-general-flow1242253 +Ref: figure-process-flow1242938 +Ref: Basic High Level-Footnote-11246239 +Node: Basic Data Typing1246424 +Node: Glossary1249752 +Node: Copying1281590 +Node: GNU Free Documentation License1319133 +Node: Index1344253 End Tag Table |