#!/bin/sh
#
# This preprocesses a set of word lists into a suitable form for input
# into cracklib-packer
#
LC_ALL=C
export LC_ALL
gzip -cdf "$@" |
grep -a -E -v '^.{30,}$' |
tr '[:upper:]' '[:lower:]' |
sed s/[[:space:]]//g |
sort -u