text-based audio CD player and CD-ROM control commands

 cdtool contains cdplay, cdeject, cdstop, cdpause, and several other
 programs for playing audio CDs and controlling a CD-ROM drive from
 the command line and in a quick and scriptable way.
 .
 cdown reads track info and queries a CDDB database for info on
 the current CD. cdctrl is a command line utility for controlling a
 CD-ROM drive interactively and from scripts. cdir keeps track of the
 contents of different CDs using a workman-compatible database.