文字化けしない

hello

#! /usr/bin/perl

use strict;
use warnings;
use utf8;

binmode STDIN, ':utf8';
binmode STDOUT, ':utf8';
binmode STDERR, ':utf8';

my ($var1, $var2, $var3) = ("波浪","ハロー", "はろー");

print "$var1\n";
print "$var2\n";
print "$var3\n";