Files
libpng/pngzop_get_idat.sh
2013-03-22 10:28:37 -05:00

23 lines
447 B
Bash

#!/bin/sh
# png_get_idat.sh
# For use in the pngzop project
# Copyright 2013 by Glenn Randers-Pehrson
# Released under the pngcrush license (equivalent to the libpng license)
# Extracts and decompresses the data from the IDAT chunks in a set of
# PNG files.
# Usage:
# png_get_idat.sh file.png
# Output: file.idat
for x in $*
do
root=`echo $1 | sed -e "s/.png$//"`
pngzop_get_idat.exe < $1 | zpipe -d > $root.idat
shift
done