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author Dave Margell2011-03-03 00:38:37 +0100
committer Niels Horn2011-03-03 00:38:37 +0100
commit419ccb1bc0d955776bf7c2008df3b6f387e00518 (patch)
treef6709af7bf4d057b3fa3649d0710e3e0af03645d /system/lrzip/README
parentad4475276df1b8b49a945be0514e80188ff86f79 (diff)
downloadslackbuilds-419ccb1bc0d955776bf7c2008df3b6f387e00518.tar.gz
system/lrzip: Updated for version 0.570.
Signed-off-by: Niels Horn <niels.horn@slackbuilds.org>
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Long Range ZIP or Lzma RZIP
-This is a compression program optimised for large files. The larger the file
-and the more memory you have, the better the compression advantage this will
-provide, especially once the files are larger than 100MB. The advantage can
-be chosen to be either size (much smaller than bzip2) or speed (much faster
-than bzip2).
+This is a compression program optimised for large files. The larger the
+file and the more memory you have, the better the compression advantage
+this will provide, especially once the files are larger than 100MB. The
+advantage can be chosen to be either size (much smaller than bzip2) or
+speed (much faster than bzip2).
The major disadvantages are:
1. The main lrzip application only works on single files so it requires the
lrztar wrapper to fake a complete archiver.
-2. It requires a lot of memory to get the best performance out of, and is not
- really usable (for compression) with less than 256MB. Decompression requires
- less ram and works on smaller ram machines.
+2. It requires a lot of memory to get the best performance out of, and is
+ not really usable (for compression) with less than 256MB. Decompression
+ requires less ram and works on smaller ram machines.
3. Only stdin in compression works well. The other combinations of
stdin/stdout work but in a very inefficient manner generating temporary
files on disk so this method of using lrzip is not recommended.
-4. Files compressed on a 64 bit OS with a compression window greater than 20
- (2 GB) may not decompress on a 32 bit OS.
+4. Files compressed on a 64 bit OS with a compression window greater than
+ 20 (2 GB) may not decompress on a 32 bit OS.
-See the file README.benchmarks for performance examples and what kind of data
-lrzip is very good with.
+See the file README.benchmarks for performance examples and what kind of
+data lrzip is very good with.
NOT BACKWARD COMPATIBLE WARNING
-All files created with lrzip 0.50+ are not backward compatible with versions
-prior to 0.50. v0.50 can read earlier generated files.
+All files created with lrzip 0.50+ are not backward compatible with
+versions prior to 0.50. v0.50 can read earlier generated files.