%%
%% This is file `ansexam2.tex',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% answers.dtx  (with options: `ex2')
%%
\documentclass[12pt,a4paper]{article}
\usepackage{answers}
%\usepackage[nosolutionfiles]{answers}
% def d'un environnement Exercise numerote
\newtheorem{Exc}{Exercise}
\newenvironment{Ex}{\begin{Exc}\normalfont}%
                   {\end{Exc}}
% Trois types de solutions sont proposes
\Newassociation{solution}{Soln}{test}
\Newassociation{hint}{Hint}{test}
\Newassociation{Solution}{sSol}{testtwo}
\newcommand{\prehint}{~[Hint]}
\newcommand{\presolution}{~[Solution]}
\newcommand{\preSolution}{~[Homework]}
% test
\newcommand{\Opentesthook}[2]%
   {\Writetofile{#1}%
    {\protect\section{#1: #2}}}
% introduction de la solution
\renewcommand{\Solnlabel}[1]{\emph{Solution #1}}
\renewcommand{\Hintlabel}[1]{\emph{Hint #1}}
\renewcommand{\sSollabel}[1]{\emph{Solution to #1}}

\begin{document}
% gestion des fichiers contenant les solutions
   \Opensolutionfile{test}[ans2]{Solutions}
   \Writetofile{test}%
               {\protect\subsection
	        {Some Solutions}}
   \Opensolutionfile{testtwo}[ans2x]
   \Writetofile{testtwo}{%
      \protect\subsection{Extra Solutions}}

   % Exercices
   \section{Exercises}
   \begin{Ex}
      An exercise with a solution.
      \begin{solution}
         This is a solution.
         \relax{}
      \end{solution}
   \end{Ex}
   \begin{Ex}
      An exercise with a hint and a secret
      solution.
      \begin{hint}
         This is a hint.
      \end{hint}
      \begin{Solution}
         This is a secret solution.
      \end{Solution}
   \end{Ex}
   \begin{Ex}
      An exercise with a hint.
      \begin{hint}
         This is a hint.
      \end{hint}
   \end{Ex}
   % gestion des fichiers contenant les solutions
   \Closesolutionfile{test}
   \Readsolutionfile{test}
   % \clearpage
   \hrule
   \Closesolutionfile{testtwo}
   \Readsolutionfile{testtwo}
\end{document}
%%
%% End of file `ansexam2.tex'.