<html>
<head>
<title>Viewing the source of a document</title>
</head>
<body>
<form action="<?php print $PHP_SELF ?>" method="get">
Enter file name (test.txt):
<input type="text" name="file" value="<?php print $file; ?>">
<p></p><hr><p></p>
<?php
if ( isset( $file ) )
show_source( $file ) or print "couldn't open \"$file\"";
?>
</body>
</html>
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