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30 lines
444 B
Plaintext
30 lines
444 B
Plaintext
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#!/bin/sh
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usage()
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{
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echo "usage: $0 [dir]" 1>&2
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exit 1
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}
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[ "$2" ] && usage
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[ "${1#-}" != "$1" ] && usage
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dir=${1:-.}
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diffs=0
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rm -f $dir/_diff*png
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for n in $dir/out*.png; do
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out=`basename "$n"`
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ref=$dir/ref${out#out}
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diff=$dir/_diff${out#out}
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if ! compare -metric AE $ref $n - >/dev/null; then
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diffs=`expr $diffs + 1`
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compare -metric AE $ref $n $diff
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fi
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done
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echo
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[ $diffs = 0 ] && exit 0
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echo "$diffs difference(s)" 1>&2
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exit 1
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