#!/usr/bin/env sh

[ "$(cat /sys/class/net/w*/operstate)" = 'down' ] && wifiicon="S"

[ ! -n "${wifiicon+var}" ] && wifiicon=$(grep "^\s*w" /proc/net/wireless | awk '{ print "W", int($3 * 100 / 70) "%" }')

printf "%s %s\n" "$wifiicon" "$(cat /sys/class/net/e*/operstate | sed "s/down/X/;s/up/L/")"