diff --git a/renext b/renext
index e2d9c48..18445f7 100755
--- a/renext
+++ b/renext
@@ -1,9 +1,21 @@
 #!/bin/sh
-# renext - Mass Rename Of Files By "Extension"
+# renext - Mass File Rename By "Extension"
 # Copyright (c) 2006 TundraWare Inc., Des Plaines, IL USA
 # All Rights Reserved
-# $Id: renext,v 1.1 2006/02/08 23:56:52 root Exp $
+# $Id: renext,v 1.101 2006/02/09 00:13:13 root Exp $
 
+if [ $# != 2 ]
+then
+  echo "usage: renext oldext newext"
+  echo "      Renames files ending with '.oldext' to end with '.newext'"
 
+else
+  for f in *$1
+  do
+    tgt=`echo $f | sed s/\.$1/\.$2/`
+    echo $f $tgt
+  done
+
+fi