From ef2dbc3df8082782630f091833bd06206bdc3a07 Mon Sep 17 00:00:00 2001
From: Christian Neukirchen <chneukirchen@gmail.com>
Date: Sat, 4 May 2013 18:36:29 +0200
Subject: detect too few arguments

---
 rdumpfs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rdumpfs b/rdumpfs
index 98ccbf5..3acc606 100755
--- a/rdumpfs
+++ b/rdumpfs
@@ -18,6 +18,9 @@ fail() {
 force=false
 [[ "$1" = -f ]] && force=true && shift
 
+(( $# < 2 )) && fail "too few arguments
+Usage: rdumpfs [-f] [RSYNCOPT...] SRC [SRC...] DST"
+
 src=("${@:1:$#-1}")
 dst=${!#}
 
-- 
cgit 1.4.1