eject DAT tape via command?

[Matthias F. Brandstetter]

Hi all,

is it possible to eject a DAT tape via a command from CLI?
"eject" does not seem to work :(

Greets and TIA, Matthias

-- 
Oh, honey, I didn't get drunk, I just went to a strange fantasy world.

  -- Homer Simpson
     El Viaje Misterioso De Nuestro Jomer