debversion.sh

#! /bin/bash

if [ $# -ne 1 ]; then
  echo "usage: debversion package.deb"
  exit 1
fi
if [ ! -e $1 ]; then
  echo "file not found"
  exit 1
fi

ar x $1 control.tar.gz
tar -xzf control.tar.gz ./control
cat control | grep Version
rm control.tar.gz control