On Wed, 12 Jul 2006 13:23:22 -0700 (PDT), Tom Spec <samag70-ignore@xxxxxxxx> opined: > Something like this? > > while lock != ok > do > if /tmp/script.lock exists > sleep 60 > else > lock=ok > done > > create /tmp/script.lock > execute script > remove /tmp/script.lock > I tried something like that with an environment variable. That works with two requests but the problem occurs with 20 to 30 virtually simultaneous requests. So far the only thing that works is to use a similar approach with #at but that seems terribly inelegant. -- Do NOT Send Email to <spam trap> Fedora@TQMcube,com Our DNSRBL - Eliminate Spam at The Source: http://www.TQMcube.com Don't Subsidize Criminals: http://boulderpledge.org