Fix argument parsing and zabbix_sender invocation

share/zabbixwrapper-common.sh

@@ -14,6 +14,7 @@
 #   Exaple: zabbixwrapper_check 's/^OK -- ([0-9.]+) .*/$1/;'
 
 zabbixwrapper_parse_opts () {
+    local OPTIND
     passThru=() # init. pass-through array
     zabbix_opt=""
 
@@ -22,17 +23,14 @@ zabbixwrapper_parse_opts () {
 	    Z)
 		zabbix_server=$OPTARG
 		zabbix_opt+="-z $OPTARG "
-		shift "$((OPTIND-1))"
 		;;
 	    K)
 		zabbix_key=$OPTARG
 		zabbix_opt+="-k $OPTARG "
-		shift "$((OPTIND-1))"
 		;;
 	    N)
 		zabbix_name=$OPTARG
 		zabbix_opt+="-s $OPTARG "
-		shift "$((OPTIND-1))"
 		;;
 	    *)
 		passThru+=( "-$OPTARG" )
@@ -72,7 +70,7 @@ zabbixwrapper_evaluate () {
 	    # This is also true if the check exits with a WARNING. You might want
 	    # to set tresholds to avoid warning state from the plugin
 	    echo "-1"
-	    zabbix-sender $zabbix_opt -o $check_out
+	    zabbix_sender $zabbix_opt -o "$check_out"
 	    ;;
     esac
 }