Always use set -u to avoid confusion

2013-05-21 21:35:51 +01:00 · 2013-05-21 21:35:51 +01:00 · 795c8ea75b
parent a0bd601464
commit 795c8ea75b
1 changed files with 2 additions and 4 deletions
--- a/6
+++ b/6
@ -21,7 +21,7 @@
 # View graph of BPM analysis
 #

-set -e
+set -eu

 usage()
 {
@ -35,13 +35,11 @@ See the bpm-graph(1) man page for more information.
 END
 }

-if [ -z "$1" ] || [ "$1" = "-h" ]; then
+if [ -z "${1-}" ] || [ "$1" = "-h" ]; then
 	usage >&2
 	exit 1
 fi

-set -u
-
 FILE="$1"
 shift