#!/bin/sh
#
# $Id: crush-png,v 1.2 2005/10/11 16:59:57 jmates Exp $

if [ -z "$1" ]; then
  echo "Usage: `basename $0` png-image [...]" >&2
  exit 1
fi

for file in "$@"; do
  TMPFILE=`mktemp .crush-png-tmp.XXXXXXXX` || exit 1
  pngcrush -brute -fix -reduce "$file" "$TMPFILE" 1>/dev/null || exit 1
  mv "$TMPFILE" "$file"
done