my $mech = WWW::Mechanize::Firefox->new();
$mech->allow(frames => 1);
$mech->get('https://loginpage.com');
#$mech->dump_text;
$mech->form_name('loginform');
$mech->field('email' => 'me@awesome.com');
$mech->field('password' => '$pw');
$mech->click_button(name => 'login');
$mech->get('https://path/to/file.rar);

##</code><code>##

Not Found at crawl.pl line 27.