# Code Snippet from aperturescience.su

$ipfile = "%temp%\externalip.txt"
$iponfile = (Get-Content $ipfile -ErrorAction SilentlyContinue)

try
{
	$externalip = Get-ExternalIP

	if ($externalip -eq $iponfile)
	{
		#
		# IP Addresses match, all is good
		#
		
		# We might want to do something here, if you were using my standard template, a line like:
		#	send-email "IP Address has not changed" $true
		# would be a neat thing to add
	}
	else
	{
		#
		#IP Address do not match, something very bad may have happened! Do Something!
		#
		
		# We need to save the new ip address to the log file before we do anything else.
		$externalip | Out-File $ipfile
		
		# you could continue and do almost anything, if you were using my standard template, a line like:
		#	send-email "IP Address has changed" $false
		# would be a neat thing to add
	}
}
catch
{
	#
	# Error occured getting the external ip address
	#
	# We might want to do something here, if you were using my standard template, a line like:
	#	send-email "Error getting ip address" $false
	# would be a neat thing to add
}

# Code Snippet from aperturescience.su