donīt know if it helps (iīm kind of newbie too) but what do you think about 

while (<DATA>) {
  $line = $_;
  ...do some stuff...
}

[download]
instead of storing all data in @FILE.

In reply to Re: Slowness when inserting into pre-extended array by Taulmarill
in thread Slowness when inserting into pre-extended array by ryangabbard

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