From c718dbd187e3ea6d6b0f02c403ba7e26ef7af651 Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Tue, 26 Feb 2019 11:16:04 +0100
Subject: [PATCH] check_multi: set lower limit only when set

fixes ERROR: STDOUT => ERROR: option -l - Cannot convert '' to float
---
 share/pnp/templates.dist/check_multi.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/share/pnp/templates.dist/check_multi.php b/share/pnp/templates.dist/check_multi.php
index cd0794a4..e51fd010 100644
--- a/share/pnp/templates.dist/check_multi.php
+++ b/share/pnp/templates.dist/check_multi.php
@@ -4,7 +4,10 @@
 # Template for check_multi
 # 
 
-$opt[1] = "--lower-limit=$MIN[1] --vertical-label num  --title \"Number of Checks\" ";
+$opt[1] = "--vertical-label num  --title \"Number of Checks\" ";
+if (isset($MIN[1]) && is_numeric($MIN[1])) {
+    $opt[1] .= "--lower-limit=$MIN[1] ";
+}
 $ds_name[1] = "Executed Plugins";
 
 $def[1] =  "DEF:var1=$RRDFILE[1]:$DS[1]:AVERAGE " ;