|<- <- -> ->|

Compute 50!

    [jao@zack]$ osh gen 50 1 ^ \
                agg 1 'factorial, x: factorial * x' ^ \
                out %s
    30414093201713378043612608166064768844377641568960512000000000000

gen 50 1: Pipe 1 ... 50 to next command.