language-guess - Guess the language of a text file
language-guess file ...
language-guess takes one or more file names as arguments and guesses for each one which language it is written in. It uses Text::Language::Guess, please see its manual page for details.
$ language-guess bill.txt
Copyright 2005 by Mike Schilli, all rights reserved. This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself.
2005, Mike Schilli <firstname.lastname@example.org>