As mentioned in the chatterbox, save this to a file, run the file as you would any other perl script. e.g.
d:\pm\perl mb.pl
Your type is 'intp'
Again see Tutorials -> Getting Started with Perl, http://learn.perl.org/first_steps/.
Update: since there's still confusion, save the following as mb.pl:
#!/usr/bin/perl
use strict;
use warnings;
use Personality::Type::MBTI;
my $mbti = Personality::Type::MBTI->new();
# sample results from a questionnaire
my @test = qw/i e i e i n s n s n t f t f t p j p j p/;
# calculate type
my $type = $mbti->type( @test );
print "Your type is '$type'\n";