Les Mikesell wrote: > Frank M. Ramaekers wrote: >> Sure I understand that, but If I wanted it to be within 15 seconds >> response, I'd have to check 4times x 60 seconds x 60 minutes x 24 hours >> per day. Kind of a waste for a file that may or may not be transmitted >> each day. > > Usually any machine that can handle actually doing a job will have no > problem with the work checking and not doing it the rest of the time... > If you are concerned about it, a stat() is pretty cheap compared to > starting a program to do it, so you might write a long-running program > to monitor for a new file or a timestamp change instead of starting one > every few seconds. If you really want a file-event driven interface you > might look at dazuko. http://www.dazuko.de/faq.shtml > That's not a very good thing to do in a virtual machine (by way of example). Contemplate doing this in a zSeries box where there are likely 100 or more virtual machines. -- Cheers John -- spambait 1aaaaaaa at coco.merseine.nu Z1aaaaaaa at coco.merseine.nu Please do not reply off-list