D'oh! Many thanks Dan - and for the solution. Regards, Ewart Shaw > The issue is that } is an adverb. > > So, even though V0 } V1 looks like a verb train, it's actually a hook, parsed > as (V0}) V1 , > which doesn't do what you want. > > You're looking for (OLD&=)`(,:&NEW) } . This is one of my very favorite J > phrases. > > -Dan
J.E.H.Shaw http://www.warwick.ac.uk/statsdept ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
