From 2b54629d4d64ec345191377caaf3d013523f0873 Mon Sep 17 00:00:00 2001
From: "Hahn Axel (hahn)" <axel.hahn@unibe.ch>
Date: Tue, 9 May 2023 13:59:18 +0200
Subject: [PATCH] show usage if no param was given

---
 check_snmp_synology | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/check_snmp_synology b/check_snmp_synology
index 2f9c8a2..d138bd1 100755
--- a/check_snmp_synology
+++ b/check_snmp_synology
@@ -195,6 +195,8 @@ _add_status(){
 # MAIN
 # ----------------------------------------------------------------------
 
+test $# -eq 0 && usage
+
 while getopts a:h:f:vsdut OPTNAME; do
     case "$OPTNAME" in
         a)
-- 
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