<ol>
<h2>Drive 1</h2>
<?php

$raw = file_get_contents("drive1.txt");
$lines = explode(chr(10), $raw);
foreach($lines as $line) {
    $output .= '<li>' .$line .'</li>';
}

echo $output;
?>

<h2>Drive 2</h2>

<?php

$raw = file_get_contents("drive2.txt");
$lines = explode(chr(10), $raw);
foreach($lines as $line) {
    $output .= '<li>' .$line .'</li>';
}

echo $output;
?>

<h2>Drive 3</h2>

<?php

$raw = file_get_contents("drive3.txt");
$lines = explode(chr(10), $raw);
foreach($lines as $line) {
    $output .= '<li>' .$line .'</li>';
}

echo $output;
?>
</ol>