Handle hosts without ips

wol/scripts/wakeonlanservice.sh

@@ -52,6 +52,10 @@ do
         do
             mac=$(echo $line | cut -d ' ' -f 2)
             IPS=$(getip $mac | sed -e 's/ /,/g')
+            if [ -z "$IPS" ]
+            then
+                IPS="NA"
+            fi
             echo "$line $IPS" >> $hostfile-$$
         done < $hostfile
         stdbuf -oL cat $hostfile-$$ | netcat $host $port