Ping test and notify for OS X

ping_notify.sh

#!/usr/bin/env bash
# you need to install terminal-notifier with $ brew install terminal-notifier

while [ "true" ]
do
	count=$(ping -c 4 4.2.2.4 | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
	if [ $count -eq 4 ]; then
		echo "Test pass!"
	else
		echo "Test Faild"
		(terminal-notifier -message "Ghat shode!")
	fi 
	sleep 10
done