On Fri, 16 Feb 2007, Frank M. Ramaekers wrote: > Okay, I know about 'cron' and 'at', but how do you schedule jobs > (scripts) based on events. > > For instance: Run script xyz when file abcd.efg arrives via ftp? Emit an event into a queue, and periodically wake up and harvest the queue -- ls and diff can detect newly present files so can find procmail can trivially detect and fire off email related enqueuing events -- Russ Herrold