David Jacobs wrote: > I'm converting a few CGI scripts that used the PID as a cyclical unique > number (in concert with TIMESTAMP - so it was TIMESTAMP.PID). > > Our goal is to find a replacement function that is extremely cheap > (cheaper than say, random(1000000)) and will never repeat. Any ideas?
Yes, mod_unique_id will do that, as will Sys::UniqueID and Data::UUID on CPAN. Of course that random function is probably very lightweight, but it's not actually unique. - Perrin
