DFA::Simple This is a package with a very simple finite automaton, or a finite state machine module. You can build your own FSM object with it. It includes a script to compile a text based state tables into new objects. Install this module using CPAN, cf. https://www.cpan.org/modules/INSTALL.html Contact the author: Randall Maas (randym@acm.org) Copyright Copyright (C) 1998-2002, Randall Maas. All rights reserved. This package is free software; you can redistribute it and/or modify it under the same terms as Perl itself.