Keeps your OS X WiFi connected to the interwebs.

jiggle-wifi.sh

#!/usr/bin/env bash

# If your OS X WiFi connection stops working, but can be fixed by 
# toggling WiFi off and then on, this script can help prevent mouse arm.
# Pings Apple's server repeatedly, toggling WiFi off/on when a connection times out.
while true ; do
  curl --head --silent --connect-timeout 10 http://www.apple.com/my-wifi-keeps-dropping-out > /dev/null
  if [ $? -ne 0 ] ; then
    networksetup -setairportpower en1 off
    networksetup -setairportpower en1 on
  fi
  sleep 30
done