display.php :-

<?php
        header('Content-Type: text/plain');
?>
<?php
$array0 =explode('/',$_SERVER['HTTP_REFERER'],4);               //discard http://<ipaddress>/
$array1 =explode('?',$array0[3],2);                             //discard any trailing parameters
$name   =$array1[0];                                            //to get name of file
$path	='';
$name	=substr(rawurldecode($name),9);				//Remove leading "~richard/"
if      (strlen($name) == 0) $name = 'display.php';

$filename       =$_GET['filename'];                             //allow a filename parameter with a different extension only
if      (is_null($filename))
        $path   =$path . $name;
else
        {
	$array2 =explode('.',$name,2);
	$array3 =explode('.',$filename,2);

	if      ($array2[0] == $array3[0])
        	$path   =$path . $filename;
	else    $path   =$path . $name;
	}
echo	$path,' :-';
?>


<?php
$source =file($path);
for     ($i = 0; $i < count($source); $i++)     echo    $source[$i];
?>