%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-13-32 on page 294.
%% 
%%  Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss 
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 

\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks}
\begin{filecontents}{LGCfile.ps}
% demo for \file  hv 2006-05-13
newpath
20 20 moveto   0 50 rlineto
50 0 rlineto   0 -50 rlineto
-50 0 rlineto
closepath
2 setlinejoin 7.5 setlinewidth
stroke
% end
\end{filecontents}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,3)
  \pscustom{\file{LGCfile.ps}}
\end{pspicture}
\end{document}