From f5a9f3a72dbbdb2240025114a5e9425767d16bc2 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Thu, 4 Aug 2016 09:57:57 +1200
Subject: Make d2u(1) and u2d(1) error out on no args

---
 bin/u2d | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'bin/u2d')

diff --git a/bin/u2d b/bin/u2d
index 5b4a96b6..662876e3 100755
--- a/bin/u2d
+++ b/bin/u2d
@@ -1,4 +1,8 @@
 #!/bin/sh
+if [ "$#" -eq 0 ] ; then
+    printf >&2 'u2d: Need a filename\n'
+    exit 2
+fi
 r=$(printf '\r')
 for fn ; do
     ed -s -- "$fn" <<EOF || ex=1
-- 
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