#!/bin/bash

if [ "$1" = "" ]; then
echo "usage is as follows:  $0 filename.deb"
exit 1
fi

MAINDIR=`echo $1 | sed -e 's/.deb//g'`
DEBIANDIR="$MAINDIR/DEBIAN"
mkdir -p $MAINDIR/DEBIAN

dpkg -x $1 $MAINDIR
dpkg -e $1 $DEBIANDIR

echo "$1 unpacked to $MAINDIR"