Some error handling

2012-06-06 02:21:59 +02:00 · 2012-06-06 02:21:59 +02:00 · 1451624bd4
parent 5a33f6bd78
commit 1451624bd4
1 changed files with 5 additions and 0 deletions
--- a/mkmap.sh
+++ b/mkmap.sh
@ -1,8 +1,13 @@
 #!/bin/bash

+set -e
+
 DEST=$1


+[ "$DEST" ] || exit 1
+
+
 GWL=`batctl gwl -n`

 SELF=`echo "$GWL" | head -n 1 | sed -r -e 's@^.*MainIF/MAC: [^/]+/([0-9a-f:]+).*$@\1@'`