>How about if the clients are not Unix? In particular NT and Mac.
>Except for purchasing the MKS toolkit $$$, I have not found a grep for NT
>and I have not even tried to look for a grep on the Mac...

Don't overlook the capabilities provided by implementing Perl on
your various platforms.  That gives you commonality and a lot of
flexibility.   http://www.cpan.org/ports/index.html

  Richard Sims, BU