#! /bin/bash
wireless="wlan0"
lan="lan0"

wup=$(ethtool $wireless 2>/dev/null| grep -oP "Link detected:.*")
lup=$(ethtool $lan 2>/dev/null| grep -oP "Link detected:.*")

for i in "$wireless" "$lan";
do
	echo "$wup" | grep "yes"

	#if [ $(echo "$wup" | grep "yes") = "" ];
	if [ "$wup" = "" ];
	then
		echo 1
	fi;
done;