#!/usr/bin/perl
use warnings;
use strict;
use feature qw{ say };

use Getopt::Long;

GetOptions(
           'x=s' => \(my $x = 'X'),
           'y=s' => \(my $y = 'Y'),
);

say "$x|$y";


##</code><code>##

$ 1.pl
X|Y
$ 1.pl -x abc
abc|Y
$ 1.pl -y def
X|def
$ 1.pl -x abc -y ghi
abc|ghi


##</code><code>##

($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord
}map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,