I know that it's not what you asked but may solve your problem. I understand that you want to regulate the download time of your torrents I don't know rtorrent, but there is many that you can schedule download time and Bandwidth usage per hour, weekday, etc. (eg: Azureus)
-- Henrique G. Abreu [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]