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#!/bin/sh
# there can be as many input arguments as you want
# they are all assumed to be PNG file names
# run as sh pngcrush $(ls *png)
# loop through all arguments
while (( $# >= 1 )); do
# create temp output file
# output file has all colorspace chunks removed and optimized compression
pngcrush -l 9 "$1" "$1".tmp
# remove the original file
rm "$1"
# replace the original with the new optimized output file
mv "$1".tmp "$1"
shift
done
exit 0
# from http://cvs.sourceforge.net/viewcvs.py/tom7misc/vstplugins/scripts/fixpng?rev=1.2&view=auto
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