use LWP::UserAgent;

$user_agent = new LWP::UserAgent;

$request = new HTTP::Request('GET', 
    'http://www.cpan.org/doc/FAQs/index.html');

$response = $user_agent->request($request);

open FILEHANDLE, ">file.txt";

print FILEHANDLE $response->{_content};

close FILEHANDLE;