fsm.sty

% Draw FSMs directly in a latex environment
% 
% (c) Benoit Favre
% LPPL LaTeX Public Project License
%  
\NeedsTeXFormat{LaTeX2e}[1994/06/01]
\ProvidesPackage{fsm}
[2012/09/20 v0.01 Draw FSMs directly in a latex environment using 'dot']
\usepackage{fancyvrb}
\usepackage{tikz}

\newenvironment{fsm}
{
\VerbatimEnvironment
\begin{VerbatimOut}{\jobname.fsm}}
{
\end{VerbatimOut}
\def\cmd{perl fsm2dot.pl < \jobname.fsm | dot | perl dot2tikz.pl > \jobname.tikz}
\immediate\typeout{Running "\cmd"}
\immediate\write18{\cmd}
\immediate\input{\jobname.tikz}
}

\endinput
%%
%% End of file `mypackage.sty'.