From: hadaq <M.Traxler@gsi.de>
Date: Thu, 31 Aug 2017 12:55:32 +0000 (+0200)
Subject: treat case of empty argument
X-Git-Url: https://jspc29.x-matter.uni-frankfurt.de/git/?a=commitdiff_plain;h=1dc4566e6531603cc851a74474e5cd1a9f7e29b2;p=daqtools.git

treat case of empty argument
---

diff --git a/thresholds/split_thresholds.sh b/thresholds/split_thresholds.sh
index 023324a..41a102c 100755
--- a/thresholds/split_thresholds.sh
+++ b/thresholds/split_thresholds.sh
@@ -1,3 +1,8 @@
+if test -z "$1"; then
+    echo "usage: ./split_thresholds.sh  filename"
+    exit
+fi
+
 grep "endpoint: 0x2000, chain: 00" $1  > mcp00.log
 grep "endpoint: 0x2000, chain: 01" $1 >> mcp00.log
 grep "endpoint: 0x2000, chain: 02" $1 >> mcp00.log