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"The key to making programs fast is to make them do practically nothing. ;-)" - #nerdgasm http://lists.freebsd.org/pi... http://b1t.it/cvfJ
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@jwildeboer so true, several tips to keep in mind if I need extreme performance, particularly that bit about not looking at all the data.
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@jwildeboer there's something to learn about USING grep in there too, longer matching strings can be FASTER. #counterintuitive cc @climagic
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@jwildeboer also, large parts of this explanation are in the source for GNU grep, a win for free software.
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@jwildeboer @kevingranade Also, avoid using the -i option if you can. Slows it down by orders of magnitude. Use [Aa] instead where needed.
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