I had a similar question a while back in the following node; saving search results to file. I had some good replies. It looks though as your question has been awnsered sufficiently though.
Ted
-- "That which we persist in doing becomes easier, not that the task itself has become easier, but that our ability to perform it has improved."
--Ralph Waldo Emerson
Comment on Re: How do I redirect outut from system () to a file and also to screen