fputs question

[pinehead18]

this isn't writing to the file...
What might be wrong..
?
Thanks
Anthony

<?php

	$fp=fopen("passwords.txt", "aw");
	fputs($fp, "user", "pass");
	fclose($fp);

?>

[bernouli]

try

<?php 

$fp=fopen("passwords.txt", "a"); 
fputs($fp, "user pass"); 
fclose($fp); 
?>