Actually, they DO have to run in parallel, or else the results will take several minutes to generate, rather than just 10-15 seconds. This is crucial, as no one wants to wait long for a multi-headed search engine to print out results.

As for flock() not working, it's not that it doesn't work, it's that I had the same logic issue as with a flag. But I think I've found the way around that. I'm going to write it up, test it, then post it back here to this thread once I've got it worked out.

In reply to Re: Re: Logical Conundrum by mcogan1966
in thread Logical Conundrum by mcogan1966

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