TMP=molecules.h.$$
rm -f $TMP
+trap "rm -f $TMP" 1 2 3 15 EXIT
if [ -z "$UTILS_SRC" ]; then UTILS_SRC="../../utils"; fi
sed 's/",$/\\n"/' >> $TMP
echo ',' >> $TMP
done
-mv $TMP $TARGET
+
+if cmp -s $TMP $TARGET ; then
+ rm $TMP
+else
+ mv $TMP $TARGET
+fi