From http://www.jwz.org/xscreensaver/xscreensaver-5.17.tar.gz

[xscreensaver] / hacks / m6502.sh

diff --git a/hacks/m6502.sh b/hacks/m6502.sh
index ee7f8e220869178a00cc2e0882904701eb2d0308..f592111d96597e3f6a8de6767527bc7d5ea11962 100755 (executable)
--- a/hacks/m6502.sh
+++ b/hacks/m6502.sh
@@ -17,4 +17,9 @@ for f in $SRCS ; do
   echo ',' >> $TMP2
 done
 rm $TMP1
-mv $TMP2 $TARGET
+if cmp -s $TMP2 $TARGET ; then
+  rm $TMP2
+else
+  mv $TMP2 $TARGET
+fi
+