|<- <- -> ->|

Hello world

    [jao@zack]$ osh gen 5 ^ f 'x: (x, 2 * x + 1)' $
    (0, 1)
    (1, 3)
    (2, 5)
    (3, 7)
    (4, 9)

gen 5: Osh command to generate a stream of ints 0 ... 4.