#!/bin/sh set -e slave () { dir=$1 filename=$2 target=$3 echo "--slave $dir/$filename $filename $dir/$target" } update-alternatives --install /usr/bin/lzma lzma /usr/bin/xz 20 $( slave /usr/share/man/man1 lzma.1.gz xz.1.gz slave /usr/bin unlzma unxz slave /usr/share/man/man1 unlzma.1.gz unxz.1.gz for util in cat more less diff cmp grep egrep fgrep do slave /usr/bin lz$util xz$util slave /usr/share/man/man1 lz$util.1.gz xz$util.1.gz done )