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Diffstat (limited to 'doc/gawk.texi')
| -rw-r--r-- | doc/gawk.texi | 38 |
1 files changed, 26 insertions, 12 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi index f8b58bd8..4dac41dc 100644 --- a/doc/gawk.texi +++ b/doc/gawk.texi @@ -34066,12 +34066,20 @@ which follows the POSIX specification. Many long-time @command{awk} users learned @command{awk} programming with the original @command{awk} implementation in Version 7 Unix. (This implementation was the basis for @command{awk} in Berkeley Unix, through 4.3-Reno. Subsequent versions -of Berkeley Unix, and some systems derived from 4.4BSD-Lite, use various +of Berkeley Unix, and some systems derived from 4.4BSD-Lite, used various versions of @command{gawk} for their @command{awk}.) This @value{CHAPTER} briefly describes the evolution of the @command{awk} language, with cross-references to other parts of the @value{DOCUMENT} where you can find more information. +@ifset FOR_PRINT +To save space, we have omitted +information on the history of features in @command{gawk} from this +edition. You can find it in the +@uref{http://www.gnu.org/software/gawk/manual/html_node/Feature-History.html, +online documentation}. +@end ifset + @menu * V7/SVR3.1:: The major changes between V7 and System V Release 3.1. @@ -34661,6 +34669,8 @@ GCC for VAX and Alpha has not been tested for a while. @c ENDOFRANGE exgnot @c ENDOFRANGE posnot +@c This does not need to be in the formal book. +@ifclear FOR_PRINT @node Feature History @appendixsec History of @command{gawk} Features @@ -34825,9 +34835,10 @@ The @code{next file} statement became @code{nextfile} (@pxref{Nextfile Statement}). @item -The @code{fflush()} function from the -Bell Laboratories research version of @command{awk} -(@pxref{I/O Functions}). +The @code{fflush()} function from +Brian Kernighan's @command{awk} +(then at Bell Laboratories; +@pxref{I/O Functions}). @item New command line options: @@ -34840,9 +34851,9 @@ the original Version 7 Unix version of @command{awk} (@pxref{V7/SVR3.1}). @item -The @option{-m} option from the -Bell Laboratories research version of @command{awk} -This was later removed. +The @option{-m} option from Brian Kernighan's @command{awk}. (He was +still at Bell Laboratories at the time.) This was later removed from +both his @command{awk} and from @command{gawk}. @item The @option{--re-interval} option to provide interval expressions in regexps @@ -34859,6 +34870,7 @@ The use of GNU Autoconf to control the configuration process @item Amiga support. +This has since been removed. @end itemize @@ -34995,7 +35007,8 @@ BeOS support. This was later removed. Tandem support. This was later removed. @item -The Atari port became officially unsupported. +The Atari port became officially unsupported and was +later removed entirely. @item The source code changed to use ISO C standard-style function definitions. @@ -35088,7 +35101,7 @@ flush all open output redirections @item The @code{isarray()} function which distinguishes if an item is an array -or not, to make it possible to traverse multidimensional arrays +or not, to make it possible to traverse arrays of arrays (@pxref{Type Functions}). @item @@ -35266,6 +35279,7 @@ The dynamic extension interface was completely redone @end itemize @c XXX ADD MORE STUFF HERE +@end ifclear @node Common Extensions @appendixsec Common Extensions Summary @@ -35492,8 +35506,8 @@ provided the initial port to OS/2 and its documentation. Michal Jaegermann provided the port to Atari systems and its documentation. (This port is no longer supported.) -He continues to provide portability checking with DEC Alpha -systems, and has done a lot of work to make sure @command{gawk} +He continues to provide portability checking, +and has done a lot of work to make sure @command{gawk} works on non-32-bit systems. @item @@ -35612,7 +35626,7 @@ The modifications to convert @command{gawk} into a byte-code interpreter, including the debugger. @item -The addition of true multidimensional arrays. +The addition of true arrays of arrays. @ref{Arrays of Arrays}. @item |