You might benefit from using the sliding buffer technique (see: Re: split and sysread()).

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"When I'm working on a problem, I never think about beauty. I think only how to solve the problem. But when I have finished, if the solution is not beautiful, I know it is wrong." -Richard Buckminster Fuller

In reply to Re: speeding up a file-based text search by BrowserUk
in thread speeding up a file-based text search by perrin

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