From e5a95dcfd5c433ed8258339d3b25e521d2a54be0 Mon Sep 17 00:00:00 2001
From: christos <christos@NetBSD.org>
Date: Sun, 22 Jun 2008 13:55:05 +0000
Subject: [PATCH] usage message

---
 gnu/dist/postfix/postfix2netbsd | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/gnu/dist/postfix/postfix2netbsd b/gnu/dist/postfix/postfix2netbsd
index 5bf5778a6331..04ca5e6271d0 100755
--- a/gnu/dist/postfix/postfix2netbsd
+++ b/gnu/dist/postfix/postfix2netbsd
@@ -1,6 +1,6 @@
 #! /bin/sh
 #
-#	$NetBSD: postfix2netbsd,v 1.11 2008/04/30 13:10:50 martin Exp $
+#	$NetBSD: postfix2netbsd,v 1.12 2008/06/22 13:55:05 christos Exp $
 #
 # Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -35,6 +35,13 @@
 #
 # Seed from Wiz's grep2netbsd.
 
+PROG="$(basename "$0")"
+if [ -z "$1" -o -n "$2" ]
+then
+	echo "Usage: $PROG <dir>" 1>&2
+	exit 1
+fi
+cd "$1"
 # delete some superfluous files
 echo deleting some superfluous files
 find . \( -type f -o -type l \) -a \