Search Results for "linux command"

Library and command line tools for XZ and LZMA compressed files

7-Zip is a file archiver with a high compression ratio. 7-Zip works in Windows 11 / 10 / 8 / 7 / Vista / XP / 2022 / 2019 / 2016 / 2012 / 2008 / 2003 / 2000. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. And there is command line version for Linux and macOS. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license with GNU LGPL + unRAR restrictions. Check the license for details.

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.

The littleutils include duplicate file finders (repeats, repeats.pl, repeats.py), image optimizers (opt-jpg, opt-png, opt-gif, recomp-jpg), file rename tools (lowercase, uppercase, pren), archive recompressors (to-gzip, to-bzip2, to-bzip3, to-7zip, to-lzma, to-lzip, to-xz), a tempfile utility (tempname), file property tools (filedate, filemode, filenode, fileown, filesize, and lrealpath), and others. See the README file for more details.

Major looseless compression algorithms library and documentation. First project: Arithmetic, Huffman, LZ77, LZ78, LZW, RLE. Second project reimplements Deflate. Documentation explains major Entropy Compression Methods.

NOTE: Moved to https://github.com/vapier/ncompress maintaining the public domain project ncompress

Simple, fast implementation of LZW (Lempel–Ziv–Welch) data compression algorithm in C. - Console encoder/decoder tools - OS independent - Could be used in embedded projects - Works with raw code-stream LZW features: - Hardcoded dictionary size - Variable code size - Code search is performed by hash table and embedded in dictionary linked lists (encoder) - No dynamic memory allocation

FLAC is a free lossless compressed audio format which supports streaming and archival. The FLAC project maintains the format and provides a reference encoder/decoder and input plugins for several popular audio players.

Lossless compressor for multichannel 8,16 and 24 bits audio data, with the ability of password data protection. Being 'lossless' means that no data/quality is lost in the compression - when uncompressed, the data will be identical to the original.

Fqzcomp is a basic fastq compressor, designed primarily for high performance. Despite that it is comparable to bzip2 for compression levels.

hufc is a utility to compress or expand files using Huffman coding. It can use a 16-bit CRC or the IP checksum for error detection.

gzx is a C library and a command line tool for fully GZIP-compliant file compression with fast random access read support. gzx includes a FUSE (filesystem in userspace) client that allows to access the compressed files with arbitrary applications.

Minimalist rework of gzip/gunzip with minimal memory requirement (16KB zip / 2KB unzip) and addons : on-the-fly processing of partial input data (no need to bufferize all data), input from and/or output to memory... Demo/test program also provided

The RLE compression pack is a set of utilities to compress and decompress files using RLE algorithm.

Info-ZIP portable compression/archiver utilities (Zip, UnZip, WiZ, etc.)

ARC is used to create and maintain file archives. An archive is a group of files collected together into one file in such a way that the individual files may be recovered intact. This repo is obsolete. Use github.com/hyc/arc instead.

Command-line tool for identifying and uncompressing a wide array of archive formats. It aims to unlock old and hard-to-find archive types.

fpsc is a Fast Parallel Stream Compressor. It can use multiple CPUs to compress (gzip or bzip2) a data stream. (from stdin to stdout) It is built to achieve maximum throughput, everything else (especially memory usage) can be sacrified.

minidjvu is a DjVu encoder for black-and-white images.

Simple light-weight file compression and decompression utilities. Written in C and portable to all platforms. Simple compress and decompress subroutines can be linked and called within applications to compact or unpack data on the fly or stand-alone.

Calculates differences of executable files using a randomized algorithm for matching with mismatches.

gqviewarc is an LD_PRELOAD module that makes GQview image viewer treat archives (ZIP, RAR and maybe more) as directories. It may also be applicable in other domains where transparent stream read access to archived files is needed.

Compresses music from 1/50th to 1/100th its original size by removing dissonant parts of sound and also optimizes it for lower speaker-stress, dynamic equalization (2-3 times less hearing stress at high volume), non-compression modes and much more.

Flake is an open-source FLAC audio encoder.

Shoelacer generates C code to compress short strings based upon provided sample data. The resulting routines use small models with low memory overhead.