I wrote: > sr =: (&=)`(,:&)} > @:D.1 I should also point out the modern equivalents of these are: sr =: 2 : '(m&=)`(,:&n)}' 'u@:vD.1'
respectively, since the decommissioning of the trains table (in J5). -Dan ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
