You program would probably run a little more quickly if you used lexical (my) variables--assuming you are not already doing so.

You may also gain a little performance from avoiding the join by setting $, = "\t"; and just printing the splice.

Examine what is said, not who speaks.
Silence betokens consent.
Love the truth but pardon error.

In reply to Re: Optimizing slow restructuring of delimited files by BrowserUk
in thread Optimizing slow restructuring of delimited files by iKnowNothing

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