#!/usr/bin/perl

use strict;
use warnings;

# Decode source from UTF-8.
use utf8;

# Expect UTF-8 from STDIN.
# Send UTF-8 to STDOUT & STDERR.
BEGIN {
   binmode STDIN,  ':encoding(UTF-8)' or die;
   binmode STDOUT, ':encoding(UTF-8)' or die;
   binmode STDERR, ':encoding(UTF-8)' or die;
}

my $test = '...';

print($test);
Dump($test);