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List.unzip list1 list2 Seq.unzip source1 source2 Array.unzip array1 array2: List.unzip3 list1 list2 list3 Seq.unzip3 source1 source2 source3 Array.unzip3 array1 array2 array3: Haskell: unzip ziplist: unzip3 ziplist: unzipn ziplist: unzipn for n > 3 is available in the module Data.List. Python: zip(*zipvlist) zip(*zipvlist) zip(*zipvlist)
libzip is an open-source library for handling zip archives. It is written in portable C and can thus be used on multiple operating systems. It is based on zlib.It is used by PHP's zip extension for zip file support [2] and MySQL Workbench. [3]
EXEs) that are self-extracting archives or otherwise contain archived content (e.g., some setup files) may be opened as archives. When compressing ZIP or gzip files, 7-Zip uses its own DEFLATE encoder, which may achieve higher compression, but at lower speed, than the more common zlib DEFLATE implementation. The 7-Zip deflate encoder ...
A famous example of a zip bomb is titled 42.zip, which is a zip file of unknown authorship [4] consisting of 42 kilobytes of compressed data, containing five layers of nested zip files in sets of 16, each bottom-layer archive containing a 4.3-gigabyte (4 294 967 295 bytes; 4 GiB − 1 B) file for a total of 4.5 petabytes (4 503 599 626 321 920 ...
The .ZIP file format was designed by Phil Katz of PKWARE and Gary Conway of Infinity Design Concepts. The format was created after Systems Enhancement Associates (SEA) filed a lawsuit against PKWARE claiming that the latter's archiving products, named PKARC, were derivatives of SEA's ARC archiving system. [3]
For example, a run of 10 identical bytes can be encoded as one byte, followed by a duplicate of length 9, beginning with the previous byte. Searching the preceding text for duplicate substrings is the most computationally expensive part of the DEFLATE algorithm, and the operation which compression level settings affect.
The XZ Utils source distribution additionally includes some optional scripts and an example program that are subject to various versions of the GNU General Public License (GPL). [1] The resulting software xz and liblzma binaries are public domain, unless the optional LGPL getopt implementation is incorporated.
Java archive, compatible with ZIP files .kgb KGB Archiver: Multiple Multiple Yes Open sourced archiver with compression using the PAQ family of algorithms and optional encryption. .lzh, .lha application/x-lzh LHA: Originally DOS, now multiple Multiple Yes The standard format on Amiga. .lzx application/x-lzx LZX: Amiga: Archiver originally used ...