197 lines
8.6 KiB
Plaintext
197 lines
8.6 KiB
Plaintext
Current Version: 1.2.2.
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See the file ChangeLog for the details of all changes.
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Major changes from 1.2 to 1.2.1
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* Fix a compilation error on Sun with cc (worked with gcc).
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Major changes from 1.2 to 1.2.1
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* Let zmore act as more if the data is not gzipped.
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* made gzexe more secure (don't rely on PATH).
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* By default, display output name only when the name was actually truncated.
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Major changes from 1.1.2 to 1.2
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* Added the --list option to display the file characteristics.
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* Added the --no-name option: do not save or restore original filename
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Save the original name by default.
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* Allow gunzip --suffix "" to attempt decompression on any file
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regardless of its extension if an original name is present.
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* Add support for the SCO compress -H format.
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* gzip --fast now compresses faster (speed close to that of compress)
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with degraded compression ratio (but still better than compress).
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Default level changed to -6 (acts exactly as previous level -5) to
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be a better indication of its placement in the speed/ratio range.
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* Use smart name truncation: 123456789012.c -> 123456789.c.gz
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instead of 12345678901.gz
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* With --force, let zcat pass non gzip'ed data unchanged (zcat == cat)
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* Added the zgrep shell script.
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* Made sub.c useful for 16 bit sound, 24 bit images, etc..
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* Supress warnings about suffix for gunzip -r, except with --verbose.
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* On MSDOS, use .gz extension when possible (files without extension)
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* Moved the sample programs to a subdirectory sample.
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* Added a "Special targets" section in INSTALL.
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Major changes from 1.1.1 to 1.1.2.
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* Fix serious bug for VMS (-gz not removed when decompressing).
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* Allow suffix other than .gz in znew.
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* Do not display compression ratio when decompressing stdin.
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* In zmore.in, work around brain damaged stty -g (Ultrix).
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* Display a correct compression ratio for .Z files.
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* Added .z to .gz renaming script in INTALL.
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* Allow setting CFLAGS in configure.
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Major changes from 1.1 to 1.1.1.
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* Fix serious bug in vms.c (affects Vax/VMS only).
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* Added --ascii option.
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* Add workaround in configure.in for Ultrix (quote eval argument)
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Major changes from 1.0.7 to 1.1.
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* Use .gz suffix by default, add --suffix option.
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* Let gunzip accept a "_z" suffix (used by one 'compress' on Vax/VMS).
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* Quit when reading garbage from stdin instead of reporting an error.
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* Added makefile for VAX/MMS and support for wildcards on VMS.
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* Added support for MSC under OS/2.
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* Added support for Prime/PRIMOS.
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* Display compression ratio also when decompressing (with --verbose).
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* Quit after --version (GNU standard)
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* Use --force to bypass isatty() check
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* Continue processing other files in case of recoverable error.
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* Added comparison of zip and gzip in the readme file.
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* Added small sample programs (ztouch, sub, add)
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* Use less memory when compiled with -DSMALL_MEM (for MSDOS).
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* Remove the "off by more than one minute" time stamp kludge
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Major changes from 1.0.6 to 1.0.7.
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* Allow zmore to read from standard input (like more).
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* Support the 68000 (Atari ST) in match.S.
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* Retry partial writes (required on Linux when gzip is suspended in a pipe).
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* Allow full pathnames and renamings in gzexe.
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* Don't let gzexe compress setuid executables or gzip itself.
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* Added vms/Makefile.gcc for gcc on the Vax.
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* Allow installation of binaries and shell scripts in different dirs.
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* Allows complex PAGER variable in zmore (e.g.: PAGER="col -x | more")
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* Allow installation of zcat as gzcat.
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* Several small changes for portability to old or weird systems.
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* Suppress help message and send compressed data to the terminal when
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gzip is invoked without parameters and without redirection.
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* Add compile option GNU_STANDARD to respect the GNU coding standards:
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with -DGNU_STANDARD, behave as gzip even if invoked under the name gunzip.
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(I don't like the last two changes, which were requested by the FSF.)
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Major changes from 1.0.5 to 1.0.6.
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* Let gzexe detect executables that are already gzexe'd.
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* Keep file attributes in znew and gzexe if cpmod is available.
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* Don't try restoring record format on VMS (1.0.5 did not work correctly)
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* Added asm version for 68000 in amiga/match.a.
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Use asm version for Atari TT and NeXT.
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* For OS/2, assume HPFS by default, add flag OS2FAT if necessary.
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* Fixed some bugs in zdiff and define zcmp as a link to zdiff.
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Major changes from 1.0.4 to 1.0.5.
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* For VMS, restore the file type for variable record format, otherwise
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extract in fixed length format (not perfect, but better than
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forcing all files to be in stream_LF format).
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* For VMS, use "-z" default suffix and accept a version number in file names.
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* For Unix, allow compression of files with name ending in 'z'. Use only
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.z, .*-z, .tgz, .taz as valid gzip extensions. In the last two cases,
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extract to .tar by default.
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* On some versions of MSDOS, files with a 3 character extension could not
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be compressed.
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* Garbage collect files in /tmp created by gzexe.
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* Fix the 'OS code' byte in the gzip header.
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* For the Amiga, add the missing utime.h and add support for gcc.
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Major changes from 1.0.3 to 1.0.4.
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* Added optimized asm version for 68020.
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* Add support for DJGPP.
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* Add support for the Atari ST.
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* Added zforce to rename gzip'ed files with truncated names.
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* Do not install with name uncompress (some systems rely on the
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absence of any check in the old uncompress).
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* Added missing function (fcfree) in msdos/tailor.c
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* Let gunzip handle .tgz files, and let gzip skip them.
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* Added -d option (decompress) for gzexe and try preserving file permissions.
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* Suppress all warnings with -q.
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* Use GZIP_OPT for VMS to avoid conflict with program name.
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* ... and many other small changes (see ChangeLog)
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Major changes from 1.0.2 to 1.0.3
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* Added -K option for znew to keep old .Z files if smaller
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* Added -q option (quiet) to cancel -v in GZIP env variable.
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* Made gzexe safer on systems with filename limitation to 14 chars.
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* Fixed bugs in handling of GZIP env variable and incorrect free with Turbo C.
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Major changes from 1.0.1 to 1.0.2
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* Added env variable GZIP for default options. Example:
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for sh: GZIP="-8 -v"; export GZIP
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for csh: setenv GZIP "-8 -v"
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* Added support for the Amiga.
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* znew now keeps the old .Z if it is smaller than the .z file.
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This can happen for some large and very redundant files.
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* Do not complain about trailing garbage for record oriented IO (Vax/VMS).
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This implies however that multi-part gzip files are not supported
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on such systems.
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* Added gzexe to compress rarely used executables.
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* Reduce memory usage (required for MSDOS and useful on all systems).
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* Preserve time stamp in znew -P (pipe option) if touch -r works.
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Major changes from 1.0 to 1.0.1
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* fix trivial errors in the Borland makefile (msdos/Makefile.bor)
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Major changes from 0.8.2 to 1.0
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* gzip now runs on Vax/VMS
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* gzip will not not overwrite files without -f when using /bin/sh in
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background.
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* Support the test option -t for compressed (.Z) files.
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Allow some data recovery for bad .Z files.
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* Added makefiles for MSDOS (Only tested for MSC, not Borland).
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* still more changes to configure for several systems
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Major changes from 0.8.1 to 0.8.2:
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* yet more changes to configure for Linux and other systems
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* Allow zcat on a file with multiple links.
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Major changes from 0.8 to 0.8.1:
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* znew has now a pipe option -P to reduce the disk space requirements,
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but this option does not preserve timestamps.
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* Fixed some #if directives for compilation with TurboC.
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Major changes from 0.7 to 0.8:
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* gzip can now extract .z files created by 'pack'.
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* configure should no longer believe that every machine is a 386
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* Fix the entry for /etc/magic in INSTALL.
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* Add patch for GNU tar 1.11.1 and a pointer to crypt++.el
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* Uncompress files with multiple links only with -f.
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* Fix for uncompress of .Z files on 16-bit machines
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* Create a correct output name for file names of exactly N-1 chars when
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the system has a limit of N chars.
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Major changes from 0.6 to 0.7:
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* Use "make check" instead of "make test".
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* Keep time stamp and pass options to gzip in znew.
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* Do not create .z.z files with gzip -r.
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* Allow again gunzip .zip files (was working in 0.5)
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* Allow again compilation with TurboC 2.0 (was working in 0.4)
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Major changes form 0.5 to 0.6:
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* gunzip reported an error when extracting certain .z files. The .z files
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produced by gzip 0.5 are correct and can be read by gunzip 0.6.
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* gunzip now supports multiple compressed members within a single .z file.
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* Fix the check for i386 in configure.
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* Added "make test" to check for compiler bugs. (gcc -finline-functions
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is broken at least on the NeXT.)
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* Use environment variable PAGER in zmore if it is defined.
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* Accept gzcat in addition to zcat for people having /usr/bin before
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/usr/local/bin in their path.
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