Reup Linux WiFi connection

wifi-reup.sh

#!/bin/bash

# inspired by MrEngman; https://www.raspberrypi.org/forums/viewtopic.php?t=16054
# set `sudo chmod +x ./network-manager.sh` and call it in `/etc/rc.local`

while true ; do
   if ifconfig wlan0 | grep -q "inet addr:" ; then
      sleep 60
   else
      echo "Network connection down! Attempting reconnection."
      ifup --force wlan0
      sleep 10
   fi
done