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HTML::FormFu::Constraint::File(3) User Contributed Perl Documentation HTML::FormFu::Constraint::File(3)

HTML::FormFu::Constraint::File - File Upload Constraint

version 2.07

Ensure the submitted value is a file upload.
This Constraint is not needed if you use any of the "File::*" Constraints, as they all make the same check as this Constraint does.

This can only verify that your CGI backend (CGI, Catalyst, 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 1.

Is a sub-class of, and inherits methods from HTML::FormFu::Constraint

Carl Franks, ""

This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.

Carl Franks <>

This software is copyright (c) 2018 by Carl Franks.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
2018-12-14 perl v5.28.1

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