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[Lzip-bug] Plzip 1.10 released

From: Antonio Diaz Diaz
Subject: [Lzip-bug] Plzip 1.10 released
Date: Sat, 29 Jan 2022 17:49:23 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv: Gecko/20110420 SeaMonkey/2.0.14

I am pleased to announce the release of plzip 1.10.

Plzip is a massively parallel (multi-threaded) implementation of lzip, fully compatible with lzip 1.4 or newer. Plzip uses the compression library lzlib.

Lzip is a lossless data compressor with a user interface similar to the one of gzip or bzip2. Lzip uses a simplified form of the 'Lempel-Ziv-Markov chain-Algorithm' (LZMA) stream format and provides a 3 factor integrity checking to maximize interoperability and optimize safety. Lzip can compress about as fast as gzip (lzip -0) or compress most files more than bzip2 (lzip -9). Decompression speed is intermediate between gzip and bzip2. Lzip is better than gzip and bzip2 from a data recovery perspective. Lzip has been designed, written, and tested with great care to replace gzip and bzip2 as the standard general-purpose compressed format for unix-like systems.

Plzip can compress/decompress large files on multiprocessor machines much faster than lzip, at the cost of a slightly reduced compression ratio (0.4 to 2 percent larger compressed files). Note that the number of usable threads is limited by file size; on files larger than a few GB plzip can use hundreds of processors, but on files of only a few MB plzip is no faster than lzip.

The homepage is at http://www.nongnu.org/lzip/plzip.html

The sources can be downloaded from http://download.savannah.gnu.org/releases/lzip/plzip/

The sha256sums are:
62f16a67be0dabf0da7fd1cb7889fe5bfae3140cea6cafa1c39e7e35a5b3c661 plzip-1.10.tar.lz 43faa58265d8b89ad75bd4ed11d347ef10065a8070748bc1ed0e06f191458098 plzip-1.10.tar.gz

This release is also GPG signed. You can download the signature by appending '.sig' to the URL. If the 'gpg --verify' command fails because you don't have the required public key, then run this command to import it:

  gpg --keyserver keys.gnupg.net --recv-keys 8FE99503132D7742

Key fingerprint = 1D41 C14B 272A 2219 A739  FA4F 8FE9 9503 132D 7742

Changes in version 1.10:

* In case of error in a numerical argument to a command line option, plzip now shows the name of the option and the range of valid values.

  * '--check-lib' now checks that LZ_API_VERSION and LZ_version_string match.

  * The variable LIBS can now be set from configure.

  * Several descriptions have been improved in manual, '--help', and man page.

* The texinfo category of the manual has been changed from 'Data Compression' to 'Compression' to match that of gzip. (Reported by Alfred M. Szmidt).

Please send bug reports and suggestions to lzip-bug@nongnu.org

Antonio Diaz, plzip co-author and maintainer.

If you care about data safety and long-term archiving, please consider using lzip. See http://www.nongnu.org/lzip/lzip_benchmark.html
http://www.nongnu.org/lzip/manual/lzip_manual.html#Quality-assurance and
http://www.nongnu.org/lzip/safety_of_the_lzip_format.html Thanks.

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