Back to the post: 182856 (It was really useful, thank you once more)

use LWP::UserAgent;
$ua = LWP::UserAgent->new;
$URL = 'ftp://ftp.unit.no/pub/rfc/rfc-index.txt';

my $expected_length;
my $bytes_received = 0;
my $res =
    $ua->request(HTTP::Request->new(GET => $URL),
        sub {
            my($chunk, $res) = @_;
            $bytes_received += length($chunk);
            unless (defined $expected_length) {
              $expected_length = $res->content_length || 0;
            }
            if ($expected_length) {
              printf STDERR "%d%% - ",
              100 * $bytes_received / $expected_length;
            }
            print STDERR "$bytes_received bytes received\n";

            # XXX Should really do something with the chunk itself
            # print $chunk;
    });
    print $res->status_line, "\n";

[download]
But how to do this using POST method including submission of serveral variables?

In reply to Using callback on the response for the POST method by m3LLow

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