CDJ automation help

Can anyone tell me exactly what shuffle mode does (i.e. playlist_mode[random]) vs. the "shuffle playlist" command?

Along the same lines, is there any more detailed documentation for the various CDJ automation commands?

What I am attempting to do is to generate a query to select my "favorites" (using LIKE) from a certain genre and then play them. But I only want each song to play once and then have the playlist stop when all songs have been played. Is there a way to do this via automation? I am currently using the code from the sample MAPS.TXT file but I don't really want to use random mode.

And finally, I noticed that when CDJ was in shuffle mode, the same song got added to the list several times. Is this a bug?

Dave Morgan