Is there an easy command line syntax to assign multiple fixtures to the same position on the selection grid?

Is there an easy command line syntax to assign multiple fixtures to the same position on the selection grid?
create a grid bounding box of size 1x1x1 at the desired position, then make your selections
e.g. to place all fixtures at grid 0 0 0
Grid 0/0/0 Thru 0/0/0
Fixture Thru
Ah winner, thanks ?