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libpng/pngzop
2013-03-11 22:19:45 -05:00

14 lines
328 B
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#!/bin/sh
# pngzop file.png > file_pz.png
for f in 0 1 2 3 4 5
do
rm -f pngzop-f$f-$$.png
pngcrush -q -m 1 -f $f -force $1 pngzop-f$f-$$.png
pngidat pngzop-f$f-$$.png
zopfli --i25 --zlib pngzop-f$f-$$.idat
done
cat `ls -S pngzop-f?-$$.idat.zlib | tail -1`
rm pngzop-f?-$$.png pngzop-f?-$$.idat pngzop-f?-$$.idat.zlib