Apache::UploadMeter - Apache module which implements an upload meter for form-based uploads - search.cpan.org
http://search.cpan.org/~isaac/Apache-UploadMeter-0.9915/lib/Apache/UploadMeter.pm progress file upload implementation in mod_perl
http://search.cpan.org/~isaac/Apache-UploadMeter-0.9915/lib/Apache/UploadMeter.pm progress file upload implementation in mod_perl