use strict;
use LWP::UserAgent;
my $browser = LWP::UserAgent->new;
$browser->cookie_jar ({});
my $response = $browser->post ('https://egov.immigration.gov/graphics/cris/jsps/caseStat.jsp',
[
"appReceiptNum" => "SRC02268xxxxx",
"Submit" => "Search"
]
);
print $response->content;