More descriptive error

2013-05-21 21:38:33 +01:00 · 2013-05-21 21:38:33 +01:00 · 913728bf97
parent 53601f6b3a
commit 913728bf97
1 changed files with 5 additions and 0 deletions
--- a/5
+++ b/5
@ -43,6 +43,11 @@ fi
 FILE="$1"
 shift

+if ! which gnuplot > /dev/null 2>&1; then
+	echo "$0: requires gnuplot to be installed" >&1
+	exit 1
+fi
+
 TMP=`mktemp -t bpm.XXXXXX` || exit 1
 trap "rm $TMP" 0