50 lines
1.0 KiB
Bash
50 lines
1.0 KiB
Bash
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#!/bin/sh
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#
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# (C) 2013 Lauri Kasanen, under the GPLv3
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#
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# Script to optimize the data, currently PNG, JPEG, B3DZ.
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# Run it before making a release, and after adding new data.
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# Takes 5-10min depending on your cpu.
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# Spaces in filenames are supported.
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# Start checks
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fail=0
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which awk >/dev/null && which jpegtran >/dev/null && which advdef >/dev/null && \
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which advzip >/dev/null || fail=1
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[ "$fail" -eq 1 ] && echo "Please install awk, advdef and jpegtran" && exit 1
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# Defines
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IFS="
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"
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export LANG=C
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# Go
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BEFORE=`du -sk | awk '{print $1}'`
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for png in `find -name "*.png"`; do
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advdef -z4 "$png"
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done
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for jpeg in `find -name "*.jpg"`; do
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jpegtran -optimize -copy none -outfile "$jpeg".$$ "$jpeg"
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mv "$jpeg".$$ "$jpeg"
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done
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for b3dz in `find -name "*.b3dz"`; do
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advzip -z4 "$b3dz"
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done
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# Add optimizations for other types if necessary
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AFTER=`du -sk | awk '{print $1}'`
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# Print stats out
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echo $BEFORE $AFTER | awk '{print "Before: " $1/1024 "mb, after: " $2/1024 "mb" }'
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echo $BEFORE $AFTER | awk '{print "Saved " (1-($2/$1)) * 100 "%" }'
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