Would opening and closing files thousands of times be more of a hit than just 80 or so times?
If generating 5 day graphs @DATA would be approx 288*5*80 lines.
Would it perhaps be better to open all the files first before the loop and then close them all after?

In reply to Re: Re: Super Duper Inefficient by Earindil
in thread Super Duper Inefficient by Earindil

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