Decode a Torrent File?

[filibuster]

Does anyone know how, or know of any tools for decoding a bit torrent (.torrent) file? I'd like to understand exactly how they are structured, and the type of information contained in them. Thanks.

[lysine]

http://torrentspy.sourceforge.net/

http://wiki.theory.org/BitTorrentSpecification

[filibuster]

Thanks lysine - know of anything that runs on a Mac?