LC_CTYPE="en_US.UTF-8" xterm &

##</code><code>##

LANG=
LC_CTYPE=en_US.UTF-8

##</code><code>##

Encode::from_to($your_variable, "UTF-16", "UTF-8");
print $your_variable, "\n";

##</code><code>##

use utf8;
my $converted = Encode::decode("UTF-16", $your_variable);
$converted =~ /some Japanese text/;