view cpack/dml/scripts/compression/zzcd @ 0:718306e29690 tip

commiting public release

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