Command that creates a new file whose name is the input, like OPENWRITE, and begins recording in that file everything that is read from the keyboard. This writing is in addition to the writing to WRITER. The intent is to create a transcript of a Logo session, including things like prompt characters and interactions.
; Dribble a few instructions, then stop. DRIBBLE "dummy.fil FORWARD 100 RIGHT 90 NODRIBBLE ; Open the dribble file and see what was written. OPENREAD "dummy.fil SETREAD "dummy.fil REPEAT 3 [SHOW READLIST][FORWARD 100] [RIGHT 90] [NODRIBBLE]
SETREAD  CLOSE "dummy.fil