A Program for Compressing Files

Edit Package xz

The xz command is a very powerful program for compressing files.

* Average compression ratio of LZMA is about 30% better than that of
gzip, and 15% better than that of bzip2.

* Decompression speed is only little slower than that of gzip, being
two to five times faster than bzip2.

* In fast mode, compresses faster than bzip2 with a comparable
compression ratio.

* Achieving the best compression ratios takes four to even twelve
times longer than with bzip2. However. this doesn't affect
decompressing speed.

* Very similar command line interface to what gzip and bzip2 have.

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Source Files
Filename Size Changed
baselibs.conf 0000000091 91 Bytes
xz-5.0.4.tar.bz2 0001048328 1020 KB
xz.changes 0000013097 12.8 KB
xz.spec 0000003712 3.63 KB
Revision 41 (latest revision is 92)
Stephan Kulow's avatar Stephan Kulow (coolo) accepted request 143060 from Marcus Meissner's avatar Marcus Meissner (msmeissn) (revision 41)
- Update to version 5.0.4
  * liblzma:
    - Fix lzma_index_init(). It could crash if memory allocation
      failed.
    - Fix the possibility of an incorrect LZMA_BUF_ERROR when a BCJ
      filter is used and the application only provides exactly as
      much output space as is the uncompressed size of the file.
    - Fix a bug in doc/examples_old/xz_pipe_decompress.c. It didn't
      check if the last call to lzma_code() really returned
      LZMA_STREAM_END, which made the program think that truncated
      files are valid.
    - New example programs in doc/examples (old programs are now in
      doc/examples_old). These have more comments and more detailed
      error handling.
  * Fix "xz -lvv foo.xz". It could crash on some corrupted files.
  * Fix output of "xz --robot -lv" and "xz --robot -lvv" which
    incorrectly printed the filename also in the "foo (x/x)" format.
  * Fix exit status of "xzdiff foo.xz bar.xz".
  * Fix exit status of "xzgrep foo binary_file".
  * Fix portability to EBCDIC systems.
  * Fix a configure issue on AIX with the XL C compiler. See INSTALL
    for details.
  * Update French, German, Italian, and Polish translations (forwarded request 143030 from rudi_m)
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