code.ivysaur.me/assimilate-packer
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A shell script to handle precomp+zpaq compression workflow. https://code.ivysaur.me/assimilate-packer
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README.md

assimilate-packer

A shell script to handle precomp+zpaq compression workflow.

Zip archives of nearly-identical data might be almost entirely different after compression. Best compression can be had by unpacking the archives first; but naively doing so loses bit-exact archive reconstruction. By using a precomp pass, as well as a global deduplicating compressor, maximum storage efficiency can be achieved.

  • Parallel precomp scanning
  • Graphical extraction interface
  • Dependencies: precomp, zpaq, dialog, and GNU Parallel
  • Assumes Cygwin, although porting would be possible

Usage

Usage:
  assimilate [options]

Options:
  {no option argument}  Begin interactive pack/unpack workflow
  --child 'arg'         (Internal use only)
  --help                Display this message
  --pack                Immediately pack
  --unpack-menu         Begin interactive unpack workflow

Changelog

2015-11-08: r04

2015-11-08: r01