Chris,
I had incorrectly set the 2nd argument of {Inquire} to "is empty". I have
now fixed it, thanks to your advice.
Allen, I'm surprised the Pick trick isn't working. I've used that
technique for ages to block the "empty Pick" error. When empty, "is empty"
is 1, so "is not empty" is 0, so Route should not execute, trapping the
error of trying to use a non-existent value downstream.
Cheers!
Allen H. Nugent
Graduate School of Biomedical Engineering
University of New South Wales
Sydney NSW 2052 Australia
Tel: +61 2 9385 3916 Fax: +61 2 9663 2108
