pfSense

<?php

$path = "/tmp/test.txt";

function print_file()

{

	echo("\n ****");

	echo(file_get_contents($path));

	echo("\n");

}

// create base and event

$famd = fam_open();

if ($famd === FALSE) {

	print("could not connect to famd\n");

}

$mon = fam_monitor_file($famd, $path);

if ($mon === FALSE) {

	print("failed to setup file monitor\n");

}

while(TRUE) {

	$result = fam_next_event($famd);

	if ($result['code'] == FAMChanged) {

		print_file();

	}

}

?>