#!/usr/bin/perl -l

use strict;
use warnings;
use Module::Load::Conditional
    qw[ can_load check_install requires ];

$Module::Load::Conditional::CHECK_INC_HASH = 1;

my $rv = check_install( 
    module => 'WWW::Mechanize::Firefox', version => 0.56)
        or warn "WWW::Mechanize::Firefox is not installed";

print "WWW::Mechanize::Firefox is up to date",
    if $rv->{'uptodate'};
print "WWW::Mechanize::Firefox version is: ", 
    $rv->{'version'};
print "WWW::Mechanize::Firefox is installed as file: ",
    $rv->{'file'};
print "WWW::Mechanize::Firefox also requires that 
    these modules be installed: ";
print join "\n", requires('WWW::Mechanize::Firefox');