#
diff -u -N stuff.txt stuff.txt
--- stuff.txt	2007-06-27 08:50:46.000000603 -0400
+++ stuff.txt	2007-07-11 17:24:45.000000000 -0400
@@ -4,5 +4,6 @@
-this
-is
-only
-a
-test
+this
+might
+be
+a
+monkey
+test