Re: [bug-gawk] gawk 4.2.0 released!

[KO Myung-Hun]

Any reasons why OS/2 patches are not included ?

Arnold Robbins wrote:
> Greetings all.
> 
> This note announces the next major release of GNU Awk: version 4.2.0.
> 
> The following files may be retrieved from ftp://ftp.gnu.org/gnu/gawk,
> or via HTTPS from https://ftp.gnu.org/gnu/gawk:
> 
> -rw-rw-r-- 1 arnold arnold 5602299 Oct 19 21:29 gawk-4.2.0.tar.gz
> -rw-rw-r-- 1 arnold arnold     473 Oct 19 21:38 gawk-4.2.0.tar.gz.sig
> -rw-rw-r-- 1 arnold arnold 2853125 Oct 19 21:28 gawk-4.2.0.tar.lz
> -rw-rw-r-- 1 arnold arnold     473 Oct 19 21:38 gawk-4.2.0.tar.lz.sig
> -rw-rw-r-- 1 arnold arnold 2948108 Oct 19 21:29 gawk-4.2.0.tar.xz
> -rw-rw-r-- 1 arnold arnold     473 Oct 19 21:38 gawk-4.2.0.tar.xz.sig
> 
> This is a major new release, with a number of new features.  The relevant
> part of the NEWS file is appended below.
> 
> This release represents over four years of very hard work by a number
> of people.  I thank them all for their contributions, I could not have
> done it by myself.
> 
> Differences from gawk 4.1.4 are not available; they would be too large.
> 
> The usual GNU build incantation should be used:
> 
>       tar -xpvzf gawk-4.2.0.tar.gz
>       cd gawk-4.2.0
>       ./configure && make && make check
> 
> Bug reports should be sent to address@hidden
> 
> Enjoy!
> 
> Arnold Robbins (on behalf of all the gawk developers)
> address@hidden
> ------------------------------------------------------------
> Changes from 4.1.4 to 4.2.0
> ---------------------------
> 
> 1. If not in POSIX mode, changes to ENVIRON are reflected into
>    gawk's environment, affecting any programs run by system()
>    or for piped redirections. This can also affect built-in routines, such
>    as mktime(), which is typically influenced by the TZ environment variable.
> 
> 2. The series of numbers returned by rand() should now be "more
>    random" than previously.  Gawk's rand() remains repeatable; you will
>    get the same series of numbers each time you call rand() repeatedly,
>    but this will be a different series than previously.
> 
> 3. Multiple changes related to the pretty printer:
> 
>    * The --pretty-print option no longer runs the program too.
> 
>    * Pretty printing now preserves comments and places them into the
>      pretty-printed file.
> 
>    * Pretty-printing now uses the original text of constant numeric values
>      for pretty-printing and profiling.
> 
>    * Pretty-printing now preserves parenthesized expressions as they
>      were in the source file. This solves several niggling corner cases
>      with such things.
> 
> 4. The igawk script and igawk.1 man page are no longer installed by
>    `make install'.  They have been obsolete since gawk 4.0.0.
> 
> 5. Gawk can now be built with CMake.  This is an alternative build
>    system for those who may want it; gawk is not going to switch off
>    use of the autotools anytime soon, if ever.
> 
> 6. Gawk now processes a maximum of two hexadecimal digits in \x
>    escape sequences inside strings.
> 
> 7. Setting PROCINFO["redirection", "NONFATAL"] to true makes I/O
>    errors for "redirection" not fatal, setting ERRNO. Setting
>    PROCINFO["NONFATAL"] makes all I/O nonfatal. See the manual.
> 
> 8. MirBSD is no longer supported.
> 
> 9. `make install' now installs shell startup files
>    $sysconfdir/profile.d/gawk.{csh,sh} containing shell functions to
>    manipulate the AWKPATH and AWKLIBPATH environment variables.  On a Fedora
>    system, these files belong in /etc/profile.d, but the appropriate location
>    may be different on other platforms.
> 
> 10. Gawk now supports retryable I/O via PROCINFO[input-file, "RETRY"]; see
>     the manual.
> 
> 11. The C API has undergone changes that break binary compatibility with
>     the previous version. Thus the API version is now at 2.0.  YOU WILL
>     NEED TO RECOMPILE YOUR EXTENSIONS to work with this version of gawk.
>     Source code compatibility remains intact, although you will get
>     compiler warnings if you do not revise your extensions. We strongly
>     recommend that you do so.  Fortunately, the changes are fairly minor
>     and straightforward.
> 
>     See the manual for the new features.
> 
> 12. Revisions in the POSIX standard remove the special case for POSIX
>     mode when FS = " " where newline was not a field separator. The code
>     and doc have been updated.
> 
> 13. Gawk now supports strongly typed regexp constants. Such constants
>     look like @/.../.  You can assign them to variables, pass them to
>     functions, use them in ~, !~ and the case part of a switch statement.
>     More details are provided in the manual.
> 
> 14. The new typeof() function can be used to indicate if a variable or
>     array element is an array, regexp, string or number.
> 
> 15. As promised when 4.1 was released, the old extension mechanism,
>     using the `extension' function, is now gone.
> 
> 16. Support for GNU/Linux on Alpha systems has been removed.
> 
> 17. Optimizations are now enabled by default. Use the new -s/--no-optimize
>     option(s) to disable them.  Pretty-printing and profiling automatically
>     disable optimizations so that the output program is the same as the
>     original input program.
> 
> 18. Gawk now uses fwrite_unlocked if it's available. The yields a 7% - 18%
>     improvement in raw output speed (gawk '{ print }' on a large file).
> 
> 19. Passing negative operands to any of the bitwise functions now
>     produces a fatal error.
> 
> 20. Programs that toggle IGNORECASE a lot should now be noticeably faster.
> 
> 21. The mktime function now accepts an optional second argument. If this
>     argument is present and is non-zero or non-null, the time will be 
> converted
>     from UTC instead of from the local timezone.
> 
> 22. The FIELDWIDTHS parsing syntax has been enhanced to allow specifying
>     how many characters to skip before a field starts. It also allows
>     specifying '*' as the last character to mean "the rest of the record".
>     Field splitting with FIELDWIDTHS now sets NF correctly.  The documentation
>     for FIELDWIDTHS in the manual has been considerably reorganized and
>     improved as well.
> 
> 23. The PROCINFO["argv"] array records all of gawk's command line arguments
>     as gawk received them (the values of the C level argv array).
> 
> 24. The DJGPP port has been revived and now has an official maintainer.
> 
> 25. The manual has been translated into Italian!  The translation is
>     included in the distribution.
> 
> 

-- 
KO Myung-Hun

Using Mozilla SeaMonkey 2.7.2
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