use HTTP::Cookies;
my $cookie_jar = HTTP::Cookies->new(
	file => "lwp_cookies.dat",
	autosave => 1,
);

use LWP;
my $browser = LWP::UserAgent->new(
	keep_alive => 1,
);
$browser->cookie_jar($cookie_jar);

my $response = $browser->get('https://bittrex.com/');

if ($response->is_success) {
	print "1:" . $response->content;
}
else {
	print "2:" . $response->status_line;
}