pagination for php .txt fles

[moise]

hi, i would like to know how to get the a php pagination for txt files as shown below

[code]<?php
$filename="mycontent.txt";
$fp=fopen ($filename, "r") or die ("Couldn't open $filename");
while (! feof ($fp))
{
$line = fgets ($fp, 1024);
print "$line<br>";
}
?>[/code]

i need a php pagination please, as i have about 7 .txt files to display on different pages.
any ideas on how to get this sorted?
many thanks for having a look.