High performance parallel pkzip implementation
C++ Python C
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README.md

parzip

A command line utility to pack and unpack zip archives using multiple threads.

Check out performance benchmarks on decompression and compression.

Licensed under GPLv3 or later.

Supports

  • both zipping and unzipping
  • multithreading
  • uncompressed (i.e. stored) files
  • deflate and lzma compression and decompression
  • ZIP64 extensions (i.e. >4 GB files)
  • unix file attributes

Does not support

  • modifying existing archives
  • encryption (zip encryption is broken, use GPG instead)
  • ancient compression methods
  • archives split to multiple files
  • VMS, Amiga or any other non-modern platform

Contributions

Please send patches as merge requests via the Github project.