X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/5b2bae6c36887b9ed4d30f6ff877c3846fa1f3b6..d231c858d574d37b6cc3d3cef82b06cb04f13b81:/test/common.sh.in

diff --git a/test/common.sh.in b/test/common.sh.in
index 3c916274..4c804155 100644
--- a/test/common.sh.in
+++ b/test/common.sh.in
@@ -128,10 +128,13 @@ check_for_hard_links () {
 #### If different, global variable "failed" is incremented.
 check() {
     #### POSIX diff should support -c.
-    if diff -c "$1" "$2"; then
+    if cmp -s "$1" "$2"; then
       test $# -lt 3 -o "$3" != 'keep first'  &&  rm -f "$1"
       rm -f "$2"
     else
+      echo
+      diff -c "$1" "$2"
+      echo
       echo "$0: test failed, outputs are in $1 and $2."
       failed=`expr ${failed:-0} + 1`
     fi