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NMELNICK / Domain-PublicSuffix-0.14.1 / bin / get_root_domain 

            

              
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#!/usr/bin/perl
use strict;
use warnings;
use Domain::PublicSuffix;
my $domain_name = shift(@ARGV);
usage('Requires a domain name to continue.') unless ( $domain_name );
my $suffix = Domain::PublicSuffix->new();
printf( "%12s: %s\n", 'Domain', $domain_name );
my $root_domain = $suffix->get_root_domain($domain_name);
if ( $suffix->error ) {
    printf( "%12s: %s\n", 'Error',       $suffix->error );
    exit(1);
} else {
    printf( "%12s: %s\n", 'Root Domain', $root_domain );
    printf( "%12s: %s\n", 'Suffix',      $suffix->suffix );
    printf( "%12s: %s\n", 'TLD',         $suffix->tld );
}
sub usage {
        my ( $error ) = @_;
         
        print "get_root_domain - Domain::PublicSuffix " . $Domain::PublicSuffix::VERSION . "\n";
        print "Usage: get_root_domain <domainname>\n";
         
        exit(1);
}
1;
__END__
=head1 NAME
get_root_domain - Retrieve suffix info from a domain using Domain::PublicSuffix
=head1 DESCRIPTION
The get_root_domain utility uses Domain::PublicSuffix to get the root or
suffix for a fully qualified domain name. Given a FQDN, this utility will output
the "root domain", and the suffix and TLD used to calculate that root domain.
=over
=item * Public Info Site: 
L<http://publicsuffix.org/>
=back
=head1 SYNOPSIS
get_root_domain <domainname>
=head1 EXAMPLE USAGE
=over
$ get_root_domain www.google.com
      Domain: www.google.com
 Root Domain: google.com
      Suffix: com
         TLD: com
$ get_root_domain www.google.co.uk
      Domain: www.google.co.uk
 Root Domain: google.co.uk
      Suffix: co.uk
         TLD: uk
=back
=head1 RETURN VALUES
Returns 0 if a successful lookup is done, non-zero otherwise.
=head1 SEE ALSO
Domain::PublicSuffix(3pm)
=head1 BUGS
Please report any bugs or feature requests to C<bug-domain-publicsuffix at rt.cpan.org>,
or through the web interface at L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Domain-PublicSuffix>.
I will be notified, and then you'll automatically be notified of progress on
your bug as I make changes.
=head1 LICENSE
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut