Free Reciprocal Link Checking Script

Many articles have came out recently stating that reciprocal link exchanges are a waste of time. This is true if you can afford to spend a bunch on links, but if you are a bootstrapper you will need to do all the little things. Reciprocal link exchanges can still help boost link popularity some.
Shawn over at Digital Point creates some of the best free SEO tools on the market. Recently he whipped up this free reciprocal link checking script, which reads a file of link partners (in the same directory) by the name of sites.txt. sites.txt is a list of URLs to check (separated by a carriage return).

<?php

$mydomain = "yourdomain.com"; // Set this to your domain

$list = file_get_contents("sites.txt");
$urls = explode ("\n", $list);

echo "<B>Checking back links to $mydomain....</B><P><FONT SIZE=-1>";

foreach ($urls as $url) {
if (strlen ($url)) {
echo $url . "<B><FONT COLOR=";
if (strpos (file_get_contents($url), $mydomain) != FALSE) {
echo "GREEN> Found";
} else {
echo "RED> Missing";
}
echo "</FONT></B><BR>";
}
}
echo "</FONT>";

?>

There is an ongoing discussion about his free reciprocal link checking script over at the Digital Point forums.