#!/bin/bash

if [ "$1" = "--help" -o "$1" = "-h" -o "$1" = "-?" ]; then
  echo "Program do listowania zainstalowanych pakietow"
  echo "Uzycie: "`basename "$0"`" [nazwa-pliku]"
  exit 0
fi

cd /var/log/packages/
if [ $# = 0 ]; then
  ls -1
else
  while [ $# != 0 ]; do
    ls -1 | grep -- "$1"
    shift
  done
fi
