A PHP cronjob to download podcasts via a PHP script. More info here: http://ryanfitton.co.uk/blog/php-cron-job-to-download-podcasts/

crontab -e

5       5       *       *       *       php /var/www/Scripts/twit-get.php

twit-get.php

<?php
$url = "http://feeds.twit.tv/twit_video_hd";
$cache = "/var/www/Scripts/twit-latest-download.txt";
$path = "/var/www/twit-" . date("j-n-Y") . ".mp4";

$rss = simplexml_load_file($url);
$items = $rss->channel->item;
$link = $items->enclosure["url"];
$latestdownload = file_get_contents($cache);

if ($link == $latestdownload)
  {
		print "Has already been downloaded. This podcast will not be downloaded until the new one is released.";
	}
else
	{
		$ds = "wget -O ". $path . ' ' . $link;
		$foo = system($ds,$output);
		print "Podcast downloaded.";
	
		file_put_contents($cache, $link);
	}
?>

twit-latest-download.txt

http://dts.podtrac.com/redirect.mp4/twit.cachefly.net/video/twit/twit0418/twit0418_h264m_1280x720_1872.mp4