Nice approach. And my be merged with mine, e.g.:

#!/usr/bin/perl -l

use strict;
use warnings;

my @fh=map {
    open my $fh, '<', $_ or die "Can't open `$_': $!\n";
    $fh } @ARGV;

no warnings 'uninitialized';
print while $_=join '',
  map { chomp(my $line=<$_>); $line } @fh,

__END__

[download]

However:

Update: the second point was a thinko as Zaxo pointed out.

In reply to Re^2: parallel reading by blazar
in thread parallel reading by azaria

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