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The littleutils include a duplicate file finder (repeats), image optimizers (opt-jpg opt-png opt-gif recomp-jpg), file rename tools (lowercase uppercase), archive recompressors (to-bzip to-7zip to-lzma), a tempfile utility (tempname), and others.


  • to-bzip — converts .Z and .gz files to bzip2 format.
  • notrail — removes all trailing spaces from text files.
  • notabs — converts all tabs in text files to spaces.
  • opt-png — recompresses .png files.
  • opt-jpg — recompresses .jpg files.
  • recomp-jpg — recompresses JPEG files to a specified quality level, only keeping the new version if it is actually smaller.
  • lreplace — replace one string with another in a file.
  • uppercase — rename files to all uppercase filenames.
  • lowercase — rename files to all lowercase filenames.

External links