#!/bin/bash

usage="unpack SOURCE_DIR [TARGET_DIR]"

if [ $# -lt 2 ]
then
	echo $usage
	exit 1
fi

source_dir=$1
target_dir=.
if [ -n "$2" ]
then
	target_dir=$2
fi

for deb in $(ls $source_dir/*.deb)
do
	echo "extract $deb"
	dpkg-deb -x $deb $target_dir
done