> I don't even understand what the second one is supposed to mean at
> all -- the :1: means to start with "b" and the -2 means to go back 2
> elements...? How do you derive "a c" from any possible interpretation
> of this?
I assume that he wants to be able to treat an indexed array as a circular
buffer without having to do any of the work in a script.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU c...@case.edu http://cnswww.cns.cwru.edu/~chet/
