Mmm.. Well, JEmplode over ethernet could use FTP for the file transfers, in which case it could just use the new subdir structure as it uploads tracks. Maybe Mike will add that someday.
I don't know about building it into Hijack -- so don't wait for that to happen. Once I someday implement the "run a command from the menu" feature it will be trivial to do. But I keep getting distracted here..
This is pretty simple to do as-is.. and even if it's only done once it will still make a difference. The only tricky bit is getting the script onto the player, but that only need be done the first time. From then on, it's still there and can be run just by hitting control^c and typing it's name (using the serial link). And it's only slow the first time!
Sleep time..
Cheers