And this works 'as expected', I think... 

use strict;
use warnings;

open my $in, '<', "a";
print firstline("b");

sub firstline {
    my $retval = open (my $in, shift);
    $retval && return scalar <$in>;
  # no close() required
}

[download]

--MidLifeXis

In reply to Re^2: what is the return value by MidLifeXis
in thread what is the return value by arasumg

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