OS X - Wifireset

#!/bin/sh
#Mac OS X Yosemite: Turn wifi OFF then ON if ping dns.yandex fails

if   /sbin/ping -c 5 77.88.8.8 > /dev/null
 then
     /bin/echo Good > /dev/null
 else
     /usr/sbin/networksetup -setairportpower en1 off
     /bin/sleep 10
     /usr/sbin/networksetup -setairportpower en1 on
fi