pipe READ_FIFO, WRITE_FIFO;
open STDOUT_SAVED, ">&STDOUT";
open STDOUT, ">&WRITE_FIFO";

component->display(); #displays the component to STDOUT->WRITE_FIFO
open STDOUT, ">&STDOUT_SAVED";
close WRITE_FIFO;

$content="";
while (<READ_FIFO>) {
    $content .= $_;
}
close READ_FIFO;
return $content;