[quickie] Rounding up to next multiple

This isn't really perl, but it might be mildly fun for a few seconds:

  $len += $page_size - $len % $page_size if $len % $page_size;

Any way of doing this in a single arithmetic expression, without the if?

Paul


-- 
Paul Makepeace ....................................... http://paulm.com/

"What is the best way to get a job? The softness in your voice, the echo
 of your hair in the wind."
   -- http://paulm.com/toys/surrealism/