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| 1 | #!/bin/sh |
| 2 | |
| 3 | usage() |
| 4 | { |
| 5 | echo "usage: $0 [dir]" 1>&2 |
| 6 | exit 1 |
| 7 | } |
| 8 | |
| 9 | |
| 10 | [ "$2" ] && usage |
| 11 | [ "${1#-}" != "$1" ] && usage |
| 12 | |
| 13 | dir=${1:-.} |
| 14 | |
| 15 | diffs=0 |
| 16 | rm -f $dir/_diff*png |
| 17 | for n in $dir/out*.png; do |
| 18 | out=`basename "$n"` |
| 19 | ref=$dir/ref${out#out} |
| 20 | diff=$dir/_diff${out#out} |
| 21 | if ! compare -metric AE $ref $n - >/dev/null; then |
| 22 | diffs=`expr $diffs + 1` |
| 23 | compare -metric AE $ref $n $diff |
| 24 | fi |
| 25 | done |
| 26 | echo |
| 27 | [ $diffs = 0 ] && exit 0 |
| 28 | echo "$diffs difference(s)" 1>&2 |
| 29 | exit 1 |
| 30 |
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