HTML::FormFu::Constraint::File - File Upload Constraint
Ensure the submitted value is a file upload.
This Constraint is not needed if you use any of the
as they all make the same check as this Constraint does.
This can only verify that your CGI backend (CGI,
CGI::Simple) thinks it was a file upload.
If the user submits a filename which doesn't exist on their system,
you will probably get a valid HTML::FormFu::Upload object,
with a valid filehandle,
but no Content-Length.
This Constraint would still see this as a valid uploaded file - if you want to ensure that you get a file with content,
instead use HTML::FormFu::Constraint::File::Size with min set to
Is a sub-class of, and inherits methods from HTML::FormFu::Constraint
This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.