This package allows to write code in TeX, LaTeX, ConTeXt, Java, Perl, Lua, Python, Shell, and MetaPost into external files, run that code and insert the output as pdf/png image or text. Parts of the external code can be listed in the document. The main LaTeX document must be run with the option --shell-escape %% 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. %% The latest version of this license is in %% http://www.latex-project.org/lppl.txt %% and version 1.3 or later is part of all distributions of LaTeX %% version 2005/12/01 or later. Herbert Voß, hvoss@tug.org