check_multi: set lower limit only when set

fixes ERROR: STDOUT => ERROR: option -l - Cannot convert '' to float
lingej · Feb 26, 2019 · c718dbd · c718dbd
1 parent ff7cd69
commit c718dbd
Showing 1 changed file with 4 additions and 1 deletion.
diff --git 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 " ;