Daniel@0: #!/usr/bin/env bash
Daniel@0: # zzcd <compressor:process> <differ:(encode|decode) filename ... -> process> <reference:filename>
Daniel@0: # Applies <compressor> separately to reference, and to concatenation of reference and input,
Daniel@0: # then applies <differ> to the results.
Daniel@0: here=$(dirname "$0")
Daniel@0: compress="$1"
Daniel@0: diff="$2"
Daniel@0: ref="$3"
Daniel@0: shift 3
Daniel@0: prepend "$ref" | eval $compress | encode "$diff" <(cat "$ref" | eval $compress) "$@"
Daniel@0: 
Daniel@0: