%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 11-03-30 auf Seite 153.
%% 
%%  Copyright (C) 2016 Herbert Voss
%% 
%%  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.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{145.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks}
\begin{filecontents*}{data/file.ps}
% file "file.ps",  demo for \file  hv 2007-01-01
newpath 20  20 moveto   0 50 rlineto 50 0 rlineto
 0 -50 rlineto -50 0 rlineto closepath
2 setlinejoin 7.5 setlinewidth stroke
\end{filecontents*}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid](3,3)
  \pscustom{\file{data/file.ps}}
\end{pspicture}
\end{document}
