Check File Size using HEAD Request

Demonstrates how to quickly check the size of an HTTP download by using the HEAD request.

 Chilkat Perl Module Downloads for Windows, Linux, and MAC OS X

use chilkat();

$http = new chilkat::CkHttp();

#  Any string unlocks the component for the 1st 30-days.
$success = $http->UnlockComponent("Anything for 30-day trial");
if ($success != 1) {
    print $http->lastErrorText() . "\n";
    exit;
}

#  Send a HEAD request to get the response header:

# response is a CkHttpResponse
$response = $http->GetHead("http://www.chilkatsoft.com/download/ChilkatDotNet2.msi");

if ($response eq null ) {
    print $http->lastErrorText() . "\n";
}
else {

    #  The ContentLength property of the HTTP response is
    #  the size of the remote file:
    print "Size of download = " . $response->get_ContentLength() . "\r\n";

}