#!/bin/bash

icon='\uf1eb '
case "$(cat /sys/class/net/w*/operstate 2>/dev/null)" in
  down) printf "<span background='#770000'>$icon no wifi</span>" ;;
  up)
    [ -n "$(ip address show dev wlan0 | grep 'inet ')" ]  || printf "<span background='#770000'>$icon no ip</span>"
#      && printf "$icon $(iwgetid -r)" \
esac