6 projects tagged "Compression"

Pop	528.20
Vit	121.11

Lzip is a lossless data compressor based on the LZMA algorithm, with very safe integrity checking and a user interface similar to the one of gzip or bzip2. Lzip decompresses almost as quickly as gzip and compresses better than bzip2, which makes it well suited for software distribution and data archiving. If you ever need to recover data from a damaged lzip file, try the lziprecover program.

Pop	294.31
Vit	23.67

Zutils is a collection of utilities able to deal with any combination of compressed and non-compressed files transparently. If any given file, including standard input, is compressed, its decompressed content is used. Compressed files are decompressed on the fly; no temporary files are created. These utilities are not wrapper scripts but safer and more efficient C++ programs. In particular the "--recursive" option is very efficient in those utilities supporting it. The provided utilities are zcat, zcmp, zdiff, zgrep, and ztest. The supported compressors are bzip2, gzip, lzip, and xz.

Pop	279.65
Vit	13.03

Lbzip2 is a parallel, SMP-based, bzip2-compatible compression utility, with a commandline resembling that of the original bzip2. It is usable both on its own and as a filter passed to GNU tar with the "--use-compress-program" option. It uses Gnulib, and its building and testing process is managed by the GNU build system. Starting with release 2.0, lbzip2 is independent of libbz2 and features yambi, an independent BWT compression stack with improved speed and robustness.

Pop	236.61
Vit	69.89

Clzip is a lossless data compressor based on the LZMA algorithm, with very safe integrity checking and a user interface similar to that of gzip or bzip2. Clzip decompresses almost as fast as gzip and compresses better than bzip2, which makes it well suited for software distribution and data archiving. Clzip uses the lzip file format; the files produced by clzip are fully compatible with lzip-1.4 or newer, and can be rescued with lziprecover. Clzip is, in fact, a C language implementation of lzip, intended for embedded devices or systems lacking a C++ compiler.

Pop	214.68
Vit	13.67

Plzip is a massively parallel (multi-threaded), lossless data compressor based on the LZMA algorithm, with very safe integrity checking and a user interface similar to the one of gzip or lzip. It uses the lzip file format; the files produced by plzip are fully compatible with lzip-1.4 or newer, and can be rescued with lziprecover. It is intended for faster compression/decompression of big files on multiprocessor machines, which makes it especially well-suited for distribution of big software files and large scale data archiving. On files big enough (several GB), plzip can use hundreds of processors.

Pop	181.84
Vit	12.51

Lziprecover is a data recovery tool and decompressor for files in the lzip compressed data format (.lz) able to repair slightly damaged files, recover badly damaged files from two or more copies, extract undamaged members from multi-member files, decompress files, test integrity of files, extract a range of bytes from a file, and list the correct size of multi-member files. Lziprecover is able to recover or decompress files produced by any of the compressors in the lzip family; lzip, plzip, minilzip/lzlib, clzip, and pdlzip. This recovery capability contributes to make the lzip format one of the best options for long-term data archiving.