If on *nix system then maybe use the head command, something like my @lines = grep {/^#!/} `head -1 -q *`;but it depends on what you do with it if the overhead of the system call is justified by the quicker execution. Benchmark it ...

-- Hofmator

In reply to Re: Quickly reading the first line of a large number of files... by Hofmator
in thread Quickly reading the first line of a large number of files... by Snowman

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