#!/bin/sh

# For use in the pngzop project
# Copyright 2013 by Glenn Randers-Pehrson
# Released under the pngcrush license (equivalent to the libpng license)

# Extracts the data from the IDAT chunks in a set of # PNG files.

for x in $*
do
  root=`echo $1 | sed -e s/.png$//`
  pngidat.exe < $1 > $root.zdat
  ls -l $root.zdat
  shift
done