#!/usr/bin/perl
use warnings;
use strict;
use HTTP::Request::Common qw(POST);
use LWP::UserAgent;

my $url= 'http://somesite.net/cgi-bin/uploader.cgi';
my $file     = 'testout.tgz';
my $filezzzz = 'testzzzz.tgz';
my $ua       = new LWP::UserAgent;

my $req = POST $url,
  Content_Type => 'multipart/form-data',
  Content      => [
    p_upload => [ $file, $filezzzz ]    #actual file, name to use as upload 
  ];

my $res = $ua->request($req);
if ( $res->is_success ) {
    print $res->as_string;
}
else {
    print $res->status_line;
}
exit 0;