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authorCheng-Lung Sung <clsung@FreeBSD.org>2007-04-10 07:59:10 +0000
committerCheng-Lung Sung <clsung@FreeBSD.org>2007-04-10 07:59:10 +0000
commit6cccd698d592affee6350f8534693e10a1b3f7b0 (patch)
treebe7494c984488e7f47b56c0cd7b0f1d7fe80864e /archivers/paq/pkg-descr
parent- Update to 3.0.1 (diff)
Add paq 8.l, an archiver with an extremely high compression ratio.
PR: ports/111391 Submitted by: bf <bf2006a at yahoo.com>
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+For those who *must* cram their data into the smallest possible archives,
+paq is an archiver with the best lossless compression ratios now available
+across a wide variety of test data, according to several benchmarks.
+It uses adaptive weighting of context models to obtain archives that are
+typically about 65%-85% of the size of the corresponding best-performance
+gzip archives. This comes at the expense of increased memory usage
+(30MB - 1650MB, depending upon the user-specified level of compression),
+and lower speeds(compression and decompression are often tens of times
+slower than bzip2 or gzip, and can be as much as several hundreds of times
+slower).
+
+The command-line interface permits compression, decompression, and viewing
+of the contents of archives. Compression preserves directory structure
+but not file attributes. There are no commands to update an existing
+archive or to extract part of an archive. Files and archives larger than
+2GB are not supported (but might work on 64-bit machines, not tested).
+File names with nonprintable characters are not supported (spaces
+are OK).
+
+WWW: http://www.cs.fit.edu/~mmahoney/compression/