This is a valid approach depending on the format of the data before the lookup table is created. Unfortunately in the real case I have, I don't think it will work.
---Björn Helgason wrote: > fnames=: <;._1 tolower ' John Dakota Wilson Diana Joan > Roberto John John' > lnames=: <;._1 tolower ' Smith Jones Chan Wilson Saxon > Angelo Smith Wilson' > ppl i. tolower each p2 > 4 > > Sherlock, Ric : > > I would be > > interested in other possible ways of bypassing the performance hit > > caused by making the lookup case-insensitive. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
