#!/bin/bash

if [ $# -eq 0 ]; then
	echo "usage: $0 <pakfile> ..."
	exit 1
fi

for pakfile in $*; do
	if [ ! -f ${pakfile} ]; then echo ${pakfile} not found; continue; fi
	[ "${pakfile#/}" = "${pakfile}" ] && pakfile=`pwd`/${pakfile}

	tmp=/var/tmp/zpak.$$

	mkdir ${tmp}
	cd ${tmp}
	pak vxf ${pakfile} | sed -e 's/$/.gz/' > pakfile.lst
	mv ${pakfile} ${pakfile}.bak
	gzip -rv9 *
	pak vcf ${pakfile} `zcat pakfile.lst.gz`
	cd -
	rm -rf ${tmp}
done