This is a neat day for me, as I can at last help answer a question on this list instead of ask one. Does this mean that I am at least a partial "worthy"? <grin> For examples of how to do database searches of listserv on unix, see this Web page linked to my homepage: http://www.ualberta.ca/~pletendr/database.html With thanks to Douglas Winship for putting me on track, Pat +++++++++++++++++++++++++++++++++++++++++++++ Pat Letendre <[log in to unmask]> Medical Laboratory Science, University of Alberta http://www.ualberta.ca/~pletendr/ "Round up the usual suspects." -Captain Louis Renauld *********************************