%%
%% This is file `ifplatform.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ifplatform.dtx  (with options: `package')
%%   ___________________________________________________
%%   Copyright (C) 2007  Will Robertson & Johannes Große
%%   License information appended.
\ProvidesPackage{ifplatform}
  [2007/11/18 v0.2  Testing for the operating system]
\newif\ifshellescape
\newif\ifwindows
\newif\ifmacosx
\newif\iflinux
\newcommand\windowsname{Windows}
\newcommand\linuxname{Linux}
\newcommand\macosxname{Mac\,OS\,X}
\newcommand\unknownplatform{[Unknown]}
\edef\ip@file{\jobname.w18}
\edef\ip@sig{write18-test-\the\year\the\month\the\day\the\time}
\edef\ip@win{'\ip@sig'}
\def\ip@read@file{%
  \newread\instream
  \openin\instream=\ip@file
  \@tempcnta=\endlinechar
  \endlinechar=-1
  \read\instream to\@tempa
  \endlinechar=\@tempcnta
  \closein\instream}
\immediate\write18{echo \ip@win >"\ip@file"}
\IfFileExists{\ip@file}{\shellescapetrue}{\shellescapefalse\endinput}
\ip@read@file
\ifx\@tempa\ip@sig
  \windowsfalse
\else
  \ifx\@tempa\ip@win
    \windowstrue
  \else
    \PackageError{ifplatform}
      {There is a problem. Please delete the file \ip@file.}
      {Somehow an old file is lying around telling me the wrong things.
       \MessageBreak This should never happen. Please let us know when it does!}
  \fi
\fi
\ifwindows\else
  \immediate\write18{uname -s > "\ip@file"}
  \ip@read@file
  \def\@tempb{Linux}
  \ifx\@tempa\@tempb
    \linuxtrue
  \else
    \def\@tempb{Darwin}
    \ifx\@tempa\@tempb
      \macosxtrue
    \else
      \edef\unknownplatform{\@tempa}
    \fi
  \fi
\fi
\edef\platformname{%
  \ifwindows\noexpand\windowsname\else
  \iflinux  \noexpand\linuxname\else
  \ifmacosx \noexpand\macosxname\else
            \noexpand\unknownplatform
  \fi\fi\fi}
\immediate\write18{\ifwindows del \else rm -- \fi "\ip@file"}
%% Copyright (C) 2007 by Will Robertson & Johannes Große
%% 
%% Distributable under the LaTeX Project Public License,
%% version 1.3c or higher (your choice). The latest version of
%% this license is at: http://www.latex-project.org/lppl.txt
%% 
%% This work is "maintained" (as per LPPL maintenance status)
%% by Will Robertson.
%% 
%% This work consists of the file  ifplatform.dtx
%%           and the derived files ifplatform.pdf,
%%                                 ifplatform.sty, and
%%                                 ifplatform.ins.
%%
%% End of file `ifplatform.sty'.
