Re: Is it possible to generate unique temporary filenames using hostname/process id?

$$ and a microtime might be better, but still doesn't 100% ensure uniqueness.

Comment on Re: Is it possible to generate unique temporary filenames using hostname/process id?

Replies are listed 'Best First'.
Re: Re: Is it possible to generate unique temporary filenames using hostname/process id? by iguanodon (Priest) on Mar 14, 2004 at 01:29 UTC
Ok, I know I run the risk of looking like a dumbass here but (assuming a Unix platform) what's wrong with `$$ . time()`? Is the risk that so many processes are created within one second that the PIDs roll over?	[reply] [d/l]
Re: Is it possible to generate unique temporary filenames using hostname/process id? by bill_mcgonigle (Acolyte) on Mar 15, 2004 at 02:34 UTC
Stick a long random number on the end and your odds are pretty good. Of course, there's no reason not to look for a name collision to guarantee it.	[reply]


Clear questions and runnable code get the best and fastest answer
	PerlMonks