Yes, but if you read a whole file into an array, in spite of such optimisation being reasonable at that point, Perl won't reorganise your code to minimise memory usage, nor does it provide hooks to insert your code per iteration of such optimisation.

One world, one people

In reply to Re^3: reading several lines in a gulp by anonymized user 468275
in thread reading several lines in a gulp by John M. Dlugosz

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