I've never done it, but can't really think of any reason why it wouldn't work. Are you getting an error? You understand that ICM's DB lookup is extremly basic and really doesn't work well with any kind of advanced queries.
These are the paths to get to each CCX logs through CLI. They may be helpful if you are having issues accessing RTMT or downloading logs through it.
If you want to download them you have to prefix "file get " and you can add one of the options (re...