([ $gravity -eq 0 ] || [ $curslot -ne $lastslot ]) ; then
# Can't do this: if we eject, the stacker is going to
# load the next tape, and our state will be botched
([ $gravity -eq 0 ] || [ $curslot -ne $lastslot ]) ; then
# Can't do this: if we eject, the stacker is going to
# load the next tape, and our state will be botched