else
echo
#### POSIX diff should support -c.
-# diff -c "$first" "$second" || true
- if ! diff -c "$first" "$second"; then
- echo "$first:"; od -t ax "$first"
- echo "$second:"; od -t ax "$second"
- fi
+ diff -c "$first" "$second" || true
echo
echo "$0: $label failed, outputs are in $first and $second."
failed=`expr ${failed:-0} + 1`