google is your friend: http://www.google.com/search?q=rails+schedule+task
several options in the first search result: http://www.igvita.com/blog/2007/03/29/scheduling-tasks-in-ruby-rails/
google is your friend: http://www.google.com/search?q=rails+schedule+task
several options in the first search result: http://www.igvita.com/blog/2007/03/29/scheduling-tasks-in-ruby-rails/