Crude WWDC announcement detector

gistfile1.txt

#!/bin/bash

testSiteForChanges ()
{
	ls "old_page.html" 1>/dev/null 2>/dev/null
	if [ $? -eq "1" ] ; then
		wget -q -O old_page.html $1
	fi
	wget -q -O new_page.html $1
	diff old_page.html new_page.html 1>/dev/null
	
	if [ $? -eq "0" ] ; then
		#echo "SAME!"
		CHANGES=0
	else
		#echo "CURRENT WEB PAGE IS DIFFERENT THAN ORIGINAL!!"
		CHANGES=1
	fi
	rm new_page.html
	return $CHANGES
}

#testSiteForChanges "http://www.cnn.com"
testSiteForChanges "https://developer.apple.com/wwdc/"

if [ $? -eq  "1" ] ; then
	echo "WWDC MAY HAVE BEEN ANNOUNCED!!" > wwdc_email.txt
	mail -s "WWDC" you@some_address.com < wwdc_email.txt
	rm wwdc_email.txt
fi