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From:	Juan Manuel Guerrero <juan DOT guerrero AT gmx DOT de>
To:	djgpp-announce AT delorie DOT com
Subject:	ANNOUNCE: DJGPP port of GNU gzip-1.3.13 uploaded.
Date:	Sun, 17 Jan 2010 03:44:14 +0100
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This is a port of GNU Gzip 1.3.13 to MSDOS/DJGPP.

  gzip (GNU zip) is a compression utility designed to be a replacement for
  'compress'.  Its main advantages over compress are much better compression
  and freedom from patented algorithms.


  DJGPP specific changes.
  =======================

  This port is based on the previous ports gzip13N[bds].zip.  This means, that
  all the DJGPP specific funtionality introduced with those ports will also be
  available in this new port.  No new DJGPP specific functionality has been
  added.


  This is a recompilation of all new features introduced with previous ports
  and also available in this port:
  - Gzip now fully supports long file names on those platforms where DJGPP
    can access them. This means, for example, that compressing `foo.tar' on
    Windows 9X will produce `foo.tar.gz', not `foo.tgz'.
    For backward compatibility, Gzip knows about butchered DOS-style
    extensions of compressed files even when long file names are supported.
    For example, if you have `foo.tgz' and you type "gunzip foo.tar", Gzip
    will find the file even on Windows 9X. Short variants of compressed
    extensions are checked *after* the long ones, so Gzip will try to find
    `foo.tar.gz' before `foo.tgz'.
    Long file name support is checked for each file submitted to Gzip, so
    it will treat each one of them in accordance with the properties of the
    file system where that file resides. In other words, you can compress
    files that reside on DOS and Windows file systems within a single Gzip
    command.
  - Gzip will no longer appear to hang when its input comes from the console
    device. Previous ports would hang when the user typed "gzip -f [Enter]".
    This port allows you to either interrupt the program with Ctrl-C (if you
    typed that command by mistake), or type in the input and end it with a ^Z
    (if you really mean to compress the text you type from the keyboard).
    This is done by avoiding to switch the console device to binary mode,
    so any console reads are now done in text mode.
  - The default compressed file extension is now `.gz', not `z'. This is so
    that compressed file names on Windows 9X would have the usual `.gz'
    extension, but it also means that `foo.cc' will now be compressed into
    `foo.cgz' when long file names are not supported.  Use the -N option to
    `gunzip' to restore the original name, if the original file name had
    more than one character in the extension.
  - When restoring original file names, `gunzip' now converts all characters
    that are not allowed in DOS/Windows file names to similar but valid
    characters, and changes the file name if it is reserved by a DOS device
    driver (like `aux.text' or `prn.tar') by prepending an underscore to it.
  - In previous ports, uncompressing files with certain names on Windows 9X
    when numeric tails are disabled would trigger false warnings about file
    name truncation. This is now fixed.
  - Truncation of long file names on plain DOS is somewhat smarter now:
    `gunzip' treats several additional characters (like `-' and `_') as
    part delimiters.
  - Shell scripts `zmore', `zgrep' and others now work on DOS and
    Windows, and are distributed with the binary distribution, as are all
    the man pages supplied with the official GNU sources.
  - Shell script `zdiff' does not work on DOS and Windows, because it uses
    subshells to invoke gzip and to generate the error code (return value)
    of the command.  Unfortunatly this does not work with the port of bash.


  All the changes done to the original distribution are documented in the
  diffs file and located together with all the files needed to configure
  the package (config.bat, config.sed, config.site, etc.) in the /djgpp subdir.
  There exist a makefile called makefile.dj located in the /msdos subdir.
  This is part of the original FSF gzip-1.2.4 source distribution. I have never
  inspected nor used this file, so I will not be able answer questions if you
  decide to use it. This port as well as all the other gzip13X[bsd].zip ports
  use the usual configuration files located in the /djgpp directory to create
  the configure script, Makefile and config.h.



  The port consists of the usual three packages that can be downloaded from
  ftp.delorie.com and mirrors as (timestamp 2010-01-16):

    Gzip 1.3.13 binary, info and man format documentation:
    ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/gzp1313b.zip

    Gzip 1.3.13 dvi, html, ps and pdf format documentation:
    ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/gzp1313d.zip

    Gzip 1.3.13 source:
    ftp://ftp.delorie.com/pub/djgpp/current/v2gnu/gzp1313s.zip


  For the convenience of the WinXP users the binaries has been produced
  a second time using the djdev204 beta library. This package is available
  at ftp.delorie.com and mirrors as (timestamp 2010-01-16):

    Gzip 1.3.13 binary, info and man format documentation:
    ftp://ftp.delorie.com/pub/djgpp/beta/v2gnu/gzp1313b.zip



  Send gzip specific bug reports to <bug-gzip AT gnu DOT org>.
  Send suggestions and bug reports concerning the DJGPP port
  to comp.os.msdos.djgpp or <djgpp AT delorie DOT com>.
  If you are not sure if the failure is really a gzip failure
  or a djgpp specific failure, report it here and *not* to
  <bug-gzip AT gnu DOT org>.

Enjoy.

      Guerrero, Juan Manuel <juan DOT guerrero AT gmx DOT de>

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