texlive[49662] Master: exam-randomizechoices (10jan19)
commits+karl at tug.org
commits+karl at tug.org
Thu Jan 10 23:20:34 CET 2019
Revision: 49662
http://tug.org/svn/texlive?view=revision&revision=49662
Author: karl
Date: 2019-01-10 23:20:34 +0100 (Thu, 10 Jan 2019)
Log Message:
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exam-randomizechoices (10jan19)
Modified Paths:
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trunk/Master/tlpkg/bin/tlpkg-ctan-check
trunk/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc
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trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/
trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/README.md
trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/exam-randomizechoices-doc.pdf
trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/exam-randomizechoices-doc.tex
trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/exam-randomizechoices.pdf
trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/exam-randomizechoices.tex
trunk/Master/texmf-dist/tex/latex/exam-randomizechoices/
trunk/Master/texmf-dist/tex/latex/exam-randomizechoices/exam-randomizechoices.sty
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+# The exam-randomizechoices package #
+----------
+
+#### LaTeX package for creating random placed choices in multiple choice environments using the [``exam``](https://ctan.org/pkg/exam) document class. ####
+
+This package can be used with the [``exam``](https://ctan.org/pkg/exam) document class to typeset multiple choice questions with randomized typesetting of the possible choices. After loading this package, four new environments are available:
+
+* ``randomizechoices`` -- the randomizing variant of ``choices``;
+* ``randomizeoneparchoices`` -- the randomizing variant of ``oneparchoices``;
+* ``randomizecheckboxes`` the randomizing variant of ``checkboxes``;
+* ``randomizeoneparcheckboxes`` -- the randomizing variant of ``oneparcheckboxes``.
+
+The package is loaded as given below
+
+``\usepackage[``*options*``]{exam-randomizechoices}``
+
+Options can be:
+
+* ``randomize`` -- This option globally turns on the randomizing of the choices given for all available typesetting environments. Randomization is turned on by default.
+
+
+* ``norandomize`` -- This option globally turns off the randomizing of the choices for all available typesetting environments. This option is useful for inspecting the resulting PDF output file with typesetting the choices in the order they were entered.
+
+* ``keeplast`` This option globally turns on the preservation of the last entered item in the new environments.
+
+* ``nokeeplast`` -- This option globally turns off the preservation of the last entered item in the new environments. This is the default behaviour.
+
+* ``overload`` -- This option makes the standard multiple choice environments behave the same as the new environment counterparts, i.e. the the standard multiple choice environments are overloaded (or redefined). This is useful if you wish to use an old exam and randomize the choices of the questions.
+
+* ``nooverload`` -- This option suppresses the overloading of the standard multiple choice environments so you have to use the new multiple choice environments if you want to randomize the choices to the questions. Overloading is turned off by default.
+
+* ``debug`` -- This option causes the package to emit a lot of debug messages. Debug is turned off by default.
+
+An example of a randomizing choices environment is given below:
+
+
+ \question[5] What is the result of $1+1$?
+
+ \begin{randomizechoices}
+ \choice 1
+ \CorrectChoice 2
+ \choice 3
+ \choice 4
+ \end{randomizechoices}
+
+which *possibly* (depends on de state of the pseudo random generator) typesets as:
+
+1\. (5 points) What is the result of 1+1?
+
+ A. 2
+
+ B. 1
+
+ C. 4
+
+ D. 3
+
+*** Note: verbatim environments such as [``verbatim``](https://ctan.org/pkg/verbatim) and [``listings``](https://ctan.org/pkg/listings) are not supported ***
+
+
+See the documentation for full explanation of the package.
+
+#### License
+
+This work 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 2003/12/01 or later.
+
+This work consists of the files exam-randomizechoices.sty,
+exam-randomizechoices.tex and exam-randomizechoices-doc.tex
+
+This software is provided 'as is', without warranty of any kind,
+either expressed or implied, including, but not limited to, the
+implied warranties of merchantability and fitness for a
+particular purpose.
+
+
+
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+%%--------------------------------------------------------------------
+%%--------------------------------------------------------------------
+%% exam-randomizechoices-doc.tex
+%%
+%% This is the user's guide for the exam-randomizechoices package,
+%% by Jesse op den Brouw
+%%
+%% The package itself is in the file exam-randomizechoices.sty.
+
+
+%% Copyright (c)2019, Jesse E. J. op den Brouw
+%%
+%% This work 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 2003/12/01 or later.
+%%
+%% This work consists of the files exam-randomizechoices.sty,
+%% exam-randomizechoices.tex and exam-randomizechoices-doc.tex
+
+%% This software is provided 'as is', without warranty of any kind,
+%% either expressed or implied, including, but not limited to, the
+%% implied warranties of merchantability and fitness for a
+%% particular purpose.
+
+%% Jesse op den Brouw
+%% Department of Electrical Engineering
+%% The Hague University of Applied Sciences
+%% Rotterdamseweg 137, 2628 AL, Delft
+%% Netherlands
+%% J.E.J.opdenBrouw at hhs.nl
+
+%% The newest version of this package should always be available
+%% from BitBucket: https://bitbucket.org/jesseopdenbrouw/exam-randomizechoices/src/master/
+
+%--------------------------------------------------------------------
+%--------------------------------------------------------------------
+
+\documentclass[12pt,a4paper]{exam}
+
+\newcommand{\styversion}{\fileversion}
+\newcommand{\stydate}{\filedate}
+\newcommand{\docdate}{January 9, 2019}
+%\newcommand{\docdate}{Draft: \today}
+
+\usepackage{mathtools}
+%\usepackage{amssymb}
+
+%% Set input encoding to UTF-8
+\usepackage[utf8]{inputenc}
+%% Use T1 output font encoding
+\usepackage[T1]{fontenc}
+
+%% Set page layout
+\usepackage[a4paper,left=1.0in,right=1.0in,top=1.0in,bottom=1.4in,footskip=0.5in]{geometry}
+
+%% Use package enumitem
+\usepackage{enumitem}
+
+%% Load English spelling
+\usepackage[english]{babel}
+
+%% Nice tables
+\usepackage{tabu}
+
+%% Colors
+\usepackage[x11names]{xcolor}
+
+%% Use the Charter font + math symbols
+\usepackage[scaled=0.9]{nimbusmono}
+\usepackage[bitstream-charter]{mathdesign}
+%% Use microtype
+\usepackage[stretch=10]{microtype}
+
+\usepackage{listings}
+\usepackage{textcomp}
+
+\lstset{ %
+ language=[AlLaTeX]TeX,
+ basicstyle=\ttfamily,
+ numbers=left,
+ numberstyle=\tiny\color{gray},
+ stepnumber=1,
+ numbersep=8pt,
+ showspaces=false,
+ showstringspaces=false,
+ showtabs=false,
+ frame=lines,
+ rulecolor=\color{gray},
+ tabsize=4,
+ captionpos=b,
+ breaklines=true,
+ breakatwhitespace=true,
+ title=\lstname,
+ upquote=true,
+ aboveskip=0.3\baselineskip,
+ belowskip=-.5\baselineskip,
+ escapeinside={(*}{*)}
+}
+
+\usepackage[colorlinks,linkcolor=blue]{hyperref}
+
+\usepackage{titlesec}
+\usepackage{titletoc}
+\titleformat{\section}{\fontfamily{phv}\selectfont\large\bfseries}{\thesection}{1em}{}
+\titleformat{\subsection}{\fontfamily{phv}\selectfont\bfseries}{\thesubsection}{1em}{}
+\titlespacing*{\section}{0pt}{\baselineskip}{\aftersubsection}
+\titlespacing*{\paragraph}{0pt}{1.0ex plus 1ex minus .2ex}{1.5em}
+\newlength{\aftersubtitle}
+\setlength{\aftersubtitle}{1.2\baselineskip}
+\newlength{\aftersubsection}
+\setlength{\aftersubsection}{\aftersubtitle}
+\addtolength{\aftersubsection}{-\baselineskip}
+\titlespacing*{\subsection}{0pt}{.8\baselineskip}{\aftersubsection}
+\titlespacing*{\subsubsection}{0pt}{.6\baselineskip}{0pt}
+
+%% parskip et al.
+\usepackage{parskip}
+
+%% The randomization package
+\usepackage[randomize,nokeeplast]{exam-randomizechoices}
+
+%% Set seed
+\setrandomizerseed{1}
+
+% In case we're not using hyperref.sty:
+\providecommand{\texorpdfstring}[2]{#1}
+% The following can be used in \section commands
+% without generating pdf warnings:
+\newcommand{\bs}{\texorpdfstring{\char`\\}{}}
+
+
+%---------------------------------------------------------------------
+%---------------------------------------------------------------------
+%---------------------------------------------------------------------
+%---------------------------------------------------------------------
+
+\begin{document}
+\raggedbottom
+
+\cfoot[]{Page \thepage\ of \numpages}
+
+\title{The \texttt{exam-randomizechoices} package\\[2ex]\normalsize LaTeX package for creating random placed choices in multiple choice \\environments using the \texttt{exam} document class}
+
+\author{Jesse op den Brouw\\
+ Department of Electrical Engineering\\
+ The Hague University of Applied Sciences\\
+ Delft, Netherlands\\
+ \href{mailto:J.E.J.opdenBrouw at hhs.nl}{J.E.J.opdenBrouw at hhs.nl}\\[\bigskipamount]
+ Copyright \copyright \the\year\ Jesse op den Brouw\\
+ All rights reserved}
+
+\date{\docdate}
+
+\maketitle
+
+\thispagestyle{empty}
+
+%% We like the metric system...
+\vspace*{2cm}
+
+\begin{center}
+ \small
+ This is the user's guide for version~\styversion{} [\stydate] of the
+ \verb|exam-randomizechoices| package.
+\end{center}
+
+\clearpage
+\tableofcontents
+
+\clearpage
+
+
+\section{Introduction}
+This document describes the \LaTeX\ \texttt{exam-randomizechoices} package.
+The package provides the user with four new multiple choice typesetting
+environments which place the content in a random order. It can (only) be used
+in combination with the \texttt{exam} document class. It can only
+randomize the placement of choices in multiple choice questions. The questions
+themselves can't be randomized with this package.
+
+Furthermore, the package provides a simple answer key table typesetter and has
+a command for writing the answer keys to an external file.
+
+\subsection{License and warranty}
+This work 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 \url{http://www.latex-project.org/lppl.txt}
+and version 1.3 or later is part of all distributions of \LaTeX{}
+version 2003/12/01 or later.
+
+This work has the LPPL maintenance status ``author-maintained''.
+
+This work consists of the files \texttt{exam-randomizechoices.sty},
+\texttt{exam-randomizechoices.tex} and \texttt{exam-randomizechoices-doc.tex}
+
+This software is provided `as is', without warranty of any kind,
+either expressed or implied, including, but not limited to, the
+implied warranties of merchantability and fitness for a
+particular purpose.
+
+\subsection{Where to find}
+The development version of this package is available on BitBucket. See
+
+\url{https://bitbucket.org/jesseopdenbrouw/exam-randomizechoices/}
+
+\subsection{Acknowledgements}
+The author wishes to thank the developers of the \verb|exam| document
+class and the \verb|mcexam|, \verb|environ|, \verb|etoolbox| and \verb|pgffor|
+packages.
+
+\subsection{Warning}
+This package is experimental, so it could possibly break \LaTeX{}
+compilation. Use this package with care. Please report any problems
+to the author.
+
+Please use a recent version of the \texttt{exam} document class. This
+package is tested with version 2.603 which is available in most distributions.
+Testing with version 2.605\$\bs beta\$ is planned.
+
+\subsection{A word about reading this document}
+This document uses terminology which is described below:
+
+\begin{itemize}
+\item If you encounter the term ``the standard multiple choice environments'',
+you should read this as ``the \texttt{choices}, \texttt{oneparchoices},
+\texttt{checkboxes} and \texttt{oneparcheckboxes} environments''.
+
+\item If you encounter the term ``the new multiple choice environments'',
+you should read this as ``the \texttt{randomizechoices}, \texttt{randomizeoneparchoices},
+\texttt{randomizecheckboxes} and \texttt{randomizeoneparcheckboxes} environments''.
+
+\item If you encounter the term ``\texttt{*choices}'', you should read this as
+``\texttt{choices}, \texttt{oneparchoices}, \texttt{randomizechoices} and \texttt{randomizeoneparchoices}''.
+
+\item If you encounter the term ``\texttt{*checkboxes}'', you should read this as
+``\texttt{checkboxes}, \texttt{oneparcheckboxes}, \texttt{randomizecheckboxes} and
+\texttt{randomizeoneparcheckboxes}''.
+
+\item If you encounter the term ``command'' in the context of a backslash followed
+by a series of characters, you can read this as ``macro''. The official \TeX-name
+is ``control sequence''.
+\end{itemize}
+
+
+\section{Using the \texttt{exam} class}
+This section provides a limited introduction to the \texttt{exam} document
+class. As a novice user, please read on. If you are a experienced user,
+you may skip this section.
+
+The \verb|exam| document class is a powerful class to create exams
+with \LaTeX{}. Both open questions and multiple choice questions are
+supported. For multiple choice questions we can differentiate between
+enumerated lists or checkbox lists. The class documentation states%
+\footnote{See \url{https://ctan.org/tex-archive/macros/latex/contrib/exam}.}:
+
+\begin{quote}
+The file \verb"exam.cls" provides the \verb"exam" document class,
+which attempts to make it easy for even a \LaTeX{} novice to prepare
+exams. Specifically, \verb"exam.cls" sets the page layout so that
+there are one inch margins\index{margins} all around (no matter what
+size paper you're using) and provides commands that make it easy to
+format questions, create flexible headers and footers, change the
+margins, and create grading tables. In more detail:
+\begin{itemize}
+\item The class will automatically format and number the questions,
+ parts of questions, subparts of parts, and subsubparts of subparts.
+\item You can include the point value\index{points} of each question
+ (or part, or subpart, or subsubpart), with your choice of having the
+ point values printed at the beginning of the text of the question,
+ opposite that in the left margin, opposite that in the right margin,
+ or in the right margin opposite the end of the question.
+\item The class will add up the total points for each question (and
+ all of its parts, subparts, and subsubparts) and the total
+ points\index{points!total} on each page, and make those totals
+ available in macros.
+\item You can have the class print a grading table, indexed either by
+ question number or by page number.
+\item You specify the header in three parts: One part to be left
+ justified, one part to be centered, and one part to be right
+ justified, and one or all of these can be omitted.
+\item The footer is also specified in three parts: Left justified,
+ centered, and right justified.
+\item The header and footer for the first page can be different from
+ the ones used on other pages.
+\item Both headers and footers can contain more than one line. To
+ accommodate headers and footers with several lines, simple commands
+ are provided to enlarge the part of the page devoted to the header
+ and/or footer, and these commands can give one amount of space on
+ the first page and a different amount of space on all other pages.
+\item Macros are defined to enable you to state the total number of
+ pages in the exam and to change the
+ header and/or footer that appears on the last page of the exam .
+\item Macros are defined so that the headers and footers can vary
+ depending on whether the current page begins a new question or
+ continues a question that started on an earlier page (and, if one
+ continues onto the current page, to say what the number of that
+ question is). Macros are also defined so that the headers and
+ footers can vary depending on whether a question is complete on the
+ current page or continues on to the next page (and, if one
+ continues, to say what the number of that question is).
+\item You can have a horizontal rule at the base of the header and/or
+ at the top of the footer.
+\item The exam can begin with one or more cover pages, which are
+ numbered separately from the main pages of the exam and which can
+ have headers and footers different from the ones in the main pages
+ of the exam.
+\item You can include solutions in your \LaTeX{} file and have these
+ solutions either printed or ignored (or replaced automatically by
+ space in which the students can write their answers) depending on a
+ single command.
+\end{itemize}
+\end{quote}
+
+Furthermore, not stated in this excerpt, you can typeset bonus questions
+with bonus points and grading tables with bonus points.
+
+You can load the \texttt{exam} document class the usual way. An example
+might be:
+
+\begin{lstlisting}
+\documentclass[a4paper,12pt,addpoints]{exam}
+\end{lstlisting}
+
+which loads the \texttt{exam} document class. The paper size is set to
+A4 (297 mm $\times$ 210 mm, 11.7~in $\times$ 8.3 in), the document is
+typeset with a 12 points font and the question points are calculated.
+
+
+\subsection{Typesetting multiple choice questions}
+Then, within the document body and between \texttt{\bs begin\{questions\}} and
+\texttt{\bs end\{questions\}}, you enter the questions. Only multiple choice
+questions are considered here. The \texttt{exam} document class provides four types
+of multiple choice question environments:
+
+\begin{description}[labelindent=2ex]
+\item[\texttt{choices}] The given choices are typeset in a linear, vertical list.
+Each given choice is prepended with a label name which can be set to uppercase
+letter, lowercase letter, Roman numerals (uppercase and lowercase) and the Greek
+alphabet\footnote{Provided by the \texttt{exam} document class.}.
+
+\item[\texttt{oneparchoices}] The given choices are typeset in a linear, horizontal list.
+Long lists are split over multiple lines.
+Each given choice is prepended with a label name which can be set to uppercase
+letter, lowercase letter, Roman numerals (uppercase and lowercase) and the Greek
+alphabet.
+
+\item[\texttt{checkboxes}] The given choices are typeset in a linear, vertical list.
+Each given choice is prepended with a checkbox, which defaults to a big circle.
+
+\item[\texttt{oneparcheckboxes}] The given choices are typeset in a linear, horizontal
+list. Long lists are split over multiple lines.
+Each given choice is prepended with a checkbox, which defaults to a big circle.
+
+\end{description}
+
+ Within the environments, the
+commands \texttt{\bs choice} and \texttt{\bs CorrectChoice} designate the
+typesetting material. The difference between the two commands is discussed
+in Section~\ref{sec:solutions}.
+
+Examples of the four environments are given below.
+
+\subsection{The \texttt{choices} environment}
+
+An example of a question with the \texttt{choices} environment is:
+
+\begin{lstlisting}
+\question[5] What is the result of $1+1$?
+
+\begin{choices}
+\choice 1
+\CorrectChoice 2
+\choice 3
+\choice 4
+\end{choices}
+\end{lstlisting}
+
+which is typeset as:
+\enlargethispage{\baselineskip}
+\begin{questions}
+\setcounter{question}{0}
+\question[5] What is the result of $1+1$?
+
+\begin{choices}
+\choice 1
+\CorrectChoice 2
+\choice 3
+\choice 4
+\end{choices}
+\end{questions}
+
+\subsection{The \texttt{oneparchoices} environment}
+
+An example of a question with the \texttt{oneparchoices} environment is:
+
+\begin{lstlisting}
+\question[5] What is the result of $2+2$?
+
+\begin{oneparchoices}
+\choice 1
+\choice 2
+\choice 3
+\CorrectChoice 4
+\end{oneparchoices}
+\end{lstlisting}
+
+which is typeset as:
+
+\begin{questions}
+\setcounter{question}{1}
+\question[5] What is the result of $2+2$?
+
+\begin{oneparchoices}
+\choice 1
+\choice 2
+\choice 3
+\CorrectChoice 4
+\end{oneparchoices}
+\end{questions}
+
+Furthermore, the \texttt{exam} document class provides two ways of typesetting
+checkbox questions.
+
+\subsection{The \texttt{checkboxes} environment}
+
+An example of a vertically aligned checkbox environment is:
+
+\begin{lstlisting}
+\question[5] What is the result of $1+2$?
+
+\begin{checkboxes}
+\choice 1
+\choice 2
+\CorrectChoice 3
+\choice 4
+\end{checkboxes}
+\end{lstlisting}
+
+which typesets to:
+
+\begin{questions}
+\setcounter{question}{2}
+\question[5] What is the result of $1+2$?
+
+\begin{checkboxes}
+\choice 1
+\choice 2
+\CorrectChoice 3
+\choice 4
+\end{checkboxes}
+\end{questions}
+
+\subsection{The \texttt{onecheckboxes} environment}
+
+The \texttt{oneparcheckboxes} environment typesets the choices
+in al linear, horizontal way. An example is given below:
+
+\begin{lstlisting}
+\question[5] What is the result of $1+2$?
+
+\begin{oneparcheckboxes}
+\choice 1
+\choice 2
+\CorrectChoice 3
+\choice 4
+\end{oneparcheckboxes}
+\end{lstlisting}
+
+which typesets to:
+
+\begin{questions}
+\setcounter{question}{3}
+\question[5] What is the result of $1+2$?
+
+\begin{oneparcheckboxes}
+\choice 1
+\choice 2
+\CorrectChoice 3
+\choice 4
+\end{oneparcheckboxes}
+\end{questions}
+
+Other types of questions are not considered here.
+
+\subsection{Typesetting solutions}
+\label{sec:solutions}
+Please note the use of the \texttt{\bs choice} and \texttt{\bs CorrectChoice}
+commands. A \texttt{\bs choice} typesets as an item in the list with no special markup.
+A \texttt{\bs CorrectChoice} typesets an item in the list with special markup if
+the \texttt{exam} document class option \texttt{answers} is given, otherwise it
+typesets the same way a \texttt{\bs choice}. This special
+markup defaults to boldface for the \texttt{choices} and \texttt{oneparchoices}
+environments:
+
+\begin{lstlisting}
+\question[5] What is the result of $2+2$?
+
+\begin{choices}
+\choice 1
+\choice 2
+\choice 3
+\CorrectChoice 4
+\end{choices}
+\end{lstlisting}
+
+which is typesets as:
+
+\printanswers
+
+\begin{questions}
+\setcounter{question}{4}
+\question[5] What is the result of $2+2$?
+
+\begin{choices}
+\choice 1
+\choice 2
+\choice 3
+\CorrectChoice 4
+\end{choices}
+\end{questions}
+
+Note that item D is typeset in boldface. The \texttt{checkboxes} and \texttt{oneparcheckboxes}
+environments use a \emph{surd}\footnote{A surd is a simplistic form of a square root sign.}:
+
+\begin{lstlisting}
+\question[5] What is the result of $1+2$?
+
+\begin{oneparcheckboxes}
+\choice 1
+\choice 2
+\CorrectChoice 3
+\choice 4
+\end{oneparcheckboxes}
+\end{lstlisting}
+
+which typesets to:
+
+\begin{questions}
+\setcounter{question}{5}
+\question[5] What is the result of $1+2$?
+
+\begin{oneparcheckboxes}
+\choice 1
+\choice 2
+\CorrectChoice 3
+\choice 4
+\end{oneparcheckboxes}
+\end{questions}
+
+\noprintanswers
+
+
+\section{Using the package \texttt{exam-randomizechoices}}
+Although the \texttt{exam} document class is a very powerful tool to
+create exams, it does not provide options to typeset the content of the
+standard multiple choice environments in a random order\footnote{It
+also doesn't provides options to randomize questions.}. This package
+addresses this situation.
+
+\subsection{New multiple choice environments}
+Basically, this package provides the user with four new multiple choice
+environments:
+
+\begin{description}[labelindent=2ex]
+\item[\texttt{randomizechoices}] This is the randomizing counterpart of the
+\texttt{choices} environment. It typesets the given items in a random order.
+
+\item[\texttt{randomizeoneparchoices}] This is the randomizing counterpart of the
+\texttt{oneparchoices} environment. It typesets the given items in a random order.
+
+\item[\texttt{randomizecheckboxes}] This is the randomizing counterpart of the
+\texttt{checkboxes} environment. It typesets the given items in a random order.
+
+\item[\texttt{randomizeoneparcheckboxes}] This is the randomizing counterpart of the \linebreak
+\texttt{oneparcheckboxes} environment. It typesets the given items in a random order.
+
+\end{description}
+
+
+\subsection{Using the new multiple choice environments}
+We will discuss the \texttt{randomizechoices} environment only. The other
+environment work alike.
+
+You can use the new multiple choice environments in the same way as the non-randomizing counterparts.
+So an example of the \texttt{randomizechoices} environment might be:
+
+\begin{lstlisting}
+\question[5] What is the result of $1+1$?
+
+\begin{randomizechoices}
+\choice 1
+\CorrectChoice 2
+\choice 3
+\choice 4
+\end{randomizechoices}
+\end{lstlisting}
+
+which \emph{possibly} is typeset as:
+
+\begin{questions}
+\setcounter{question}{6}
+\question[5] What is the result of $1+1$?
+
+\begin{randomizechoices}
+\choice 1
+\CorrectChoice 2
+\choice 3
+\choice 4
+\end{randomizechoices}
+\end{questions}
+
+Here we can see that the resulting output is typeset in a different order
+then the choices are given. We say \emph{possibly} because the output
+depends on the state of the pseudo random generator (see Section~\ref{sec:seeding}).
+
+\subsection{Arguments to the new multiple choice environments}
+The new multiple choice environments accept (a combination of) the following optional arguments
+which are local to the environment currently being typeset:
+
+\begin{description}[labelindent=2ex]
+\item[randomize] The typesetting material is randomized. This is the default
+behaviour of the package.
+\item[norandomize] Randomization is turned off.
+Useful if you wish to see the typesetting in the given order.
+\item[keeplast] The last given item in the entered order is not part of the
+randomization process. This way you can keep the last item always the last item.
+\item[nokeeplast] The last given item is used in the randomization process. This
+is the default behaviour of the package.
+
+\end{description}
+
+Sometimes you want the last given item to stick on its place. This is useful
+if you want to use an choice item if none of the other choices are correct:
+
+\begin{lstlisting}
+\question[5] What is the result of $2+5$?
+
+\begin{randomizechoices}[keeplast]
+\choice 1
+\choice 2
+\choice 3
+\CorrectChoice None of the above answers is correct.
+\end{randomizechoices}
+\end{lstlisting}
+
+which possibly is typeset as:
+
+\begin{questions}
+\setcounter{question}{7}
+\question[5] What is the result of $1+1$?
+
+\begin{randomizechoices}[keeplast]
+\choice 1
+\choice 2
+\choice 3
+\CorrectChoice None of the above answers are correct.
+\end{randomizechoices}
+\end{questions}
+
+Note that the last item can also be a \texttt{\bs choice} command. Also note
+that if randomization is turned off, the \texttt{keeplast} option has no effect.
+
+\subsection{Loading the package}
+The package is loaded using the well-known \texttt{\bs{usepackage}} command:
+
+\begin{lstlisting}
+\usepackage[(* \emph{\textrm{option list}} *)]{exam-randomizechoices}
+\end{lstlisting}
+
+The package depends on the \texttt{exam} document class being loaded beforehand. If this
+is not the case, the package will throw an error and stops the compilation
+immediately.
+
+
+\subsection{Package options}
+
+The options in \emph{\textrm{option list}} can be any combination of:
+
+\begin{description}[labelindent=2ex]
+\item[randomize] This option globally turns on the randomizing of the choices given for all
+available typesetting environments. Randomization is turned on by default.
+
+\item[norandomize] This option globally turns off the randomizing of the choices for all
+available typesetting environments. This option is useful for inspecting the resulting
+PDF output file with typesetting the choices in the order they were entered.
+
+\item[keeplast] This option globally turns on the preservation of the last entered
+item in the new environments.
+
+\item[nokeeplast] This option globally turns off the preservation of the last entered
+item in the new environments. This is the default behaviour.
+
+\item[overload] This option makes the standard multiple choice environments behave
+the same as the new environment counterparts, i.e.\@ the the standard multiple choice
+environments are overloaded (or redefined). This is useful if you wish to use an old
+exam and randomize the choices of the questions.
+
+\item[nooverload] This option suppresses the overloading of the standard multiple choice
+environments so you have to use the new multiple choice environments if you want to
+randomize the choices to the questions. Overloading is turned off by default.
+
+\item[\texttt{debug}] This option causes the package to emit a lot of debug messages.
+The messages are written to the log file by the \texttt{\bs{PackageWarning}}
+command. Most IDE's, such as TeXMaker, will display the messages in the transcript pane.
+Debug is turned off by default. There is no \texttt{nodebug} option.
+
+\end{description}
+
+If you load the package with no options, it behaves as:
+
+\begin{lstlisting}
+\usepackage[randomize,nokeeplast,nooverload]{exam-randomizechoices}
+\end{lstlisting}
+
+
+\subsection{Overloading the standard multiple choice environments}
+If the package option \texttt{overload} is in effect, the standard multiple choice
+environments are overloaded (or redefined) by the new multiple choice environments,
+i.e. the standard multiple choice environment behave the same as their
+randomizing counterparts. This way the user can typeset old exams or when creating
+an exam from a repository of (old) questions. Please note that the overloaded
+multiple choice environments now accept arguments just as their randomizing
+counterparts do.
+
+
+\subsection{Seeding rhe pseudo random generator}
+\label{sec:seeding}
+To get a consistent randomization, you must seed the pseudo random generator
+with the same seed every time you compile your document. You can set the
+seed using the \texttt{\bs setrandomizerseed} macro. The macro has a mandatory
+argument that is an integer between 0 and $2^{31}-1$, \TeX's largest integer.
+Internally, the PGF macro \texttt{\bs pgfmathsetseed} is called, and it is
+flagged that you applied a seed. If you fail to do so, the seeding value is
+\texttt{\bs time}$\times$\texttt{\bs year} as stated by the PFG manual%
+\footnote{Version 3.0.1a, page 940.}. \LaTeX\ compilers keep track of
+time by an integer that holds the minutes counted since midnight. The integer is
+incremented every time the time passes a minute boundary. So the scenario
+can be that you compile your document a couple of times with no apparent
+differences between runs. But if the time passes a minute boundary, the
+next time you compile your document you'll see that the environment items
+have been rearranged.
+
+\subsection{Printing the key table}
+The package provides the typesetting of a basic key table in vertical direction.
+Please note that only the environments \texttt{randomizechoices},
+\texttt{randomizeoneparchoices}, \texttt{choices} (if overloaded) and
+\texttt{oneparchoices} (if overloaded) can have valid keys in the key table.
+The \texttt{*checkboxes} environments can't
+have keys because of the typesetting regime used by the \texttt{exam}
+document class. The \texttt{*choices} environments use an internal counter
+to keep track of the choice currently being typeset. Using this counter, a
+label can be provided with a \texttt{\bs label} command.
+The \texttt{*checkboxes} environments don't use an internal counter so
+labelling them would lead to a reference to the current question (or part,
+or sub part or sub-sub part). Labelling the correct choices (with the
+\texttt{\bs CorrectChoice} command) is automatically handled by the
+package.
+
+At the end of the exam, issue the commands:
+
+\begin{lstlisting}
+\ifprintanswers
+ \printkeytable
+\fi
+\end{lstlisting}
+
+to print the key table. The \texttt{\bs ifprintansers} command is only true if the
+\texttt{exam} document class \texttt{ansers} option is set, thereby preventing
+accidental typesetting the key table. If an correct choice can't be labelled, the
+table entry will contain \textbf{??}, otherwise it will contain the used typesetting scheme
+(which is \texttt{\bs Alph} by default).
+The key table is typeset using the \texttt{tabular}
+environment, so it can be wrapped in a \texttt{table} environment.
+
+An example of a key table is presented below. Note the \textbf{??} in the
+Answer column. This is the result of using the standard multiple choice
+environments (they are not overloaded, so no label is applied).
+
+\printkeytable
+
+The text in the table header row can be changed using two command: the command
+\texttt{\bs keylistquestionname} sets the text above the question numbers, which
+defaults to ``Question'', the command \texttt{\bs keylistkeyname} sets the text
+above the keys, which defaults to ``Key''. A typical use could be:
+
+\begin{lstlisting}
+\keylistquestionname{Exercise}
+\keylistkeyname{Answer Key}
+\end{lstlisting}
+
+\subsection{Writing the keys to a file}
+The package provides the writing of the keys to the file.
+Please note that only the environments \texttt{randomizechoices},
+\texttt{randomizeoneparchoices}, \texttt{choices} (if overloaded) and
+\texttt{oneparchoices} (if overloaded) can have valid keys in the key list.
+
+Writing a key list file is started by the command:
+
+\begin{lstlisting}
+\writekeylist[(*\textsl{\textrm{filename}}*)]{(*\textsl{\textrm{command name}}*)}
+\end{lstlisting}
+
+The optional parameter \emph{filename} is the name of the file. If you don't
+provide a filename, \texttt{\bs jobname.keylist} will be used,
+where \texttt{\bs jobname} is the name of your \LaTeX{} file you are compiling.
+The \emph{command name} is used in the key list file. An example of a key list file
+is presented below. In essence, the file contains a \texttt{\bs gdef} command
+that assigns the key list to the supplied command name (in this case
+\texttt{\bs mykeylist}).
+
+\writekeylist{\mykeylist}
+\vspace*{\baselineskip}
+\lstinputlisting[caption=]{\jobname.keylist}
+
+\vspace*{1.5\baselineskip}
+The key list itself is constructed as a comma-separated list. The question
+number and answer keys are separated with a `/'. This makes it easy to
+parse the list with PGF's \texttt{\bs foreach} command:
+
+\begin{lstlisting}
+\input{\jobname.keylist}
+
+\foreach \num/\key in \mykeylist {
+ \textcolor{red!\num0!blue} {question \num\ has key \key} \\
+}
+\end{lstlisting}
+
+Executing this code results in:
+
+\input{\jobname.keylist}
+
+\foreach \num/\key in \mykeylist {
+ \textcolor{red!\num0!blue} {question \num\ has key \key} \\
+}
+
+The key list file can safely be deleted. It is generated each time the
+\texttt{\bs writekeylist} command is executed. Edits to the file are lost.
+
+\subsection{There should be only one correct answer}
+As stated in the title of this section, each multiple choice question
+should have one, and only one correct answer. The packages issues a
+warning if a question has zero or more than one correct answer, but it
+doesn't stop compilation. If a question has no correct answer there
+will be a \textbf{??} in the printed key table and a ? in the key list
+file. If a question has two or more correct answers, the last correct
+answer being typeset will be printed in the key table and is written to
+the key list file.
+
+Also note that using the \textsl{parts} environment to typeset multiple
+multiple choice questions is not supported because the automatic
+labelling mechanism supports only at the question level.
+
+\subsection{Verbatim environments}
+Verbatim environments such as \texttt{verbatim} and \texttt{lstlistings}
+are currently \emph{not} supported in the new and (overloaded) standard multiple
+choice environments. This is due to the way the contents of these environments
+are collected. The \texttt{\bs verb} command is also not supported by the package
+but \texttt{\bs lstinline} is. An example, translated to English from a Dutch exam
+on the ATmega32 microcontroller chip:
+
+\begin{lstlisting}
+\question[5]
+The individual pins of Port D can be configured as input or output.
+The single bits of Port D are called PD7, PD6, PD5, PD4, PD3, PD2,
+PD1 and PD0. Which of the following alternatives configures PD0, PD1,
+PD6 and PD7 as output and the remaining pins as input?
+
+\begin{randomizechoices}
+\choice \lstinline|out DDRD,0x3c|
+\CorrectChoice \lstinline|ldi r20,0xc3| \par \lstinline|out DDRD,r20|
+\choice \lstinline|out PORTD,0x3c|
+\choice \lstinline|ldi r20,195| \par \lstinline|PORTD,r20|
+\end{randomizechoices}
+\end{lstlisting}
+
+typesets possibly to:
+
+\begin{questions}
+\setlength{\parskip}{0pt}
+\setcounter{question}{8}
+\question[5]
+The individual pins of Port D can be configured as input or output. The single bits
+of Port D are called PD7, PD6, PD5, PD4, PD3, PD2, PD1 and PD0. Which of the
+following alternatives configures PD0, PD1, PD6 and PD7 as output and the remaining
+pins as input?
+
+%%Original Dutch text
+%%De individuele pinnen van Port D kunnen als ingang of uitgang geconfigureerd worden. De
+%%enkelvoudige bits van Port D worden PD7, PD6, PD5, PD4, PD3, PD2, PD1, PD0 genoemd.
+%%Welk van de volgende alternatieven configureert PD0, PD1, PD6 en PD7 als uitgang en de
+%%overige pinnen als ingang?
+%
+%\hspace*{\baselineskip}
+
+\begin{randomizechoices}[norandomize]
+ \choice \lstinline|out DDRD,0x3c|
+ \CorrectChoice \lstinline|ldi r20,0xc3| \par \lstinline|out DDRD,r20|
+ \choice \lstinline|out PORTD,0x3c|
+ \choice \lstinline|ldi r20,195| \par \lstinline|PORTD,r20|
+\end{randomizechoices}
+\end{questions}
+
+\subsection{Accessing the internal labels}
+Each \texttt{\bs question} command is accompanied with a label of the form
+\texttt{question@}$x$ as provided by the \texttt{exam} document class, where
+$x$ is the decimal number of the question. A \texttt{\bs CorrectChoice}
+command is provided with a label (by this package) of the form \linebreak \texttt{question@}$x$%
+\texttt{@correctchoice} where $x$ is again the decimal number of the question.
+The user can access these labels by using the \texttt{\bs ref} command as shown
+below:
+
+\begin{lstlisting}
+The question number is~\ref{question at 9} and the correct answer
+is~\ref{question at 9@correctchoice}.
+\end{lstlisting}
+
+which typesets to:
+
+The question number is~\ref{question at 9} and the correct answer
+is~\ref{question at 9@correctchoice}.
+
+There is no need to change the cat code of `@'.
+
+\subsection{Error messages}
+The package will throw you some error messages in case something is wrong. The
+message below is printed only at start up.
+
+\begin{description}[labelindent=2ex]
+\item[\texttt{The exam class is not loaded. Emergency stop!}] --- You didn't load
+the \texttt{exam} document class prior to loading the package. As a result of that,
+the package can't continue and stops compiling your document. Note that a document
+class can be based on the \texttt{exam} document class and will load it for you.
+
+\end{description}
+
+The next messages will only be printed if the new multiple choice environments
+are used \emph{or} if the standard multiple choice environments are used when
+overloaded:
+
+\begin{description}
+\item[\texttt{You should NOT define \string\inaccessible. Emergency stop!}] ---
+The packages relies on the fact that \texttt{\bs inaccessible} is not defined. It is
+used by the list parser to designate \texttt{\bs CorrectChoice} and
+\texttt{\bs correctchoice}. Normally, a user doesn't define this command.
+As a result of that, the package can't continue and stops compiling your document.
+
+%% Next two are turned into warningz
+%%%\item[\texttt{You need exactly one \string\CorrectChoice, I found} $x$
+%%% \texttt{in question} $y$] --- You should provide only one correct
+%%%answer in a multiple choice question. Compilation does continue.
+%%%
+%%%\item[\texttt{You need at least two choices in question} $x$] --- You didn't
+%%%provide two or more choices, so there's nothing to choose from. Compilation
+%%%does continue.
+
+\item[\texttt{Something's wrong, perhaps a missing \string\choice\ or \string\CorrectChoice\ or ...}] --- You used text before an initial \texttt{\bs choice}, \texttt{\bs CorrectChoice}
+or \texttt{\bs correctchoice}. Analogue to the famous missing \texttt{\bs item} messages.
+Compilation does continue.
+
+\item[\texttt{Cannot write key list file}] --- Writing of files is disabled so the key list file can't be generated. Compilation does continue.
+
+\end{description}
+
+
+
+\section{Some internal details of the package}
+This section provides some internal details on the operation of the package.
+
+\subsection{Used packages}
+The package loads the following packages:
+
+\begin{description}[labelindent=2ex]
+\item[\texttt{environ}] This package is used for defining the new environments. It provides
+the powerful \texttt{NewEnviron} and \texttt{RenewEnviron} commands.
+\item[\texttt{etoolbox}] This package provides some useful commands, notably on the parsing of lists.
+\item[\texttt{pgffor}] This package provides the powerful \texttt{\bs foreach} loop
+construct. In turn, this package loads the \texttt{pgfmath} package which supplies
+the \texttt{\bs pgfmathsetseed} and \linebreak \texttt{\bs pgfmathrandominteger} commands.
+\end{description}
+
+\subsection{Defining the \texttt{randomize*} environments}
+Defining the \texttt{randomize*} environments is done with the \texttt{NewEnviron}
+and \texttt{RenewEnviron} commands. As an example we discuss the
+\texttt{randomizechoices} environment.
+
+We define this environment as follows (not overloaded):
+
+\begin{lstlisting}
+\NewEnviron{randomizechoices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the choices environment
+ \begin{choices}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{choices}%
+}
+\end{lstlisting}
+
+Now the \texttt{NewEnviron} command has a very useful property in that
+when expanded it places its content in the command \texttt{\bs BODY}.
+So when the environment is used as in:
+
+\begin{lstlisting}
+\begin{randomizechoices}
+\choice one
+\choice two
+\CorrectChoice three
+\choice four
+\end{randomizechoices
+\end{lstlisting}
+
+the \texttt{\bs BODY} command now contains (comments and newlines are stripped):
+
+\begin{lstlisting}
+\choice one \choice two \CorrectChoice three \choice four
+\end{lstlisting}
+
+Using the command as in:
+
+\begin{lstlisting}
+\BODY
+\end{lstlisting}
+
+simply expands the command. Now all the \texttt{randomize*} environments
+are defined this way, so we need a generic command that parses \texttt{\bs BODY} and
+provides a command that contains the randomized version of \texttt{\bs BODY}. This is
+handled by the command \texttt{\bs erc at createrandomlist}. What \texttt{\bs erc at createrandomlist}
+basically does is:
+
+\begin{enumerate}
+\item Parses the supplied options and sets internal flags for later use.
+\item Replaces every occurrence of \texttt{\bs CorrectChoice} and
+ \texttt{\bs correctchoice} in \texttt{\bs BODY}
+ with \texttt{\bs choice \bs inaccessible}.
+\item Disassembles \texttt{\bs BODY} into a set of commands by splitting on the list
+ separator \texttt{\bs choice}. \texttt{\bs choice} is removed.
+\item Randomizes the order of the set of commands.
+\item Assembles the set of commands to the new command \texttt{\bs erc at typesetchoices},
+ thereby appending a \texttt{\bs label} to the correct choice. The ``command''
+ \texttt{\bs inaccessible} is replaced by \texttt{\bs CorrectChoice}. The
+ other commands are prepended with \texttt{\bs choice}.
+\end{enumerate}
+
+Of course this behaviour can be altered by options. For example, if the option
+\texttt{norandomize} is passed, \texttt{\bs BODY} is not randomized but labelling still
+takes place.
+
+Please note: We need to replace \texttt{\bs CorrectChoice} with \texttt{\bs choice \bs inaccessible}
+because the list parser can only handle one list separator at a time. The very misunderstood command
+\texttt{\bs inaccessible}\footnote{This sequence of characters sometimes appear in error messages
+generated by \LaTeX.} is likely not to be entered by the user but if the user enters \texttt{\bs inaccessible}
+directly after a \texttt{\bs choice} command, this is converted to \texttt{\bs CorrectChoice}
+in step 5. Of course this is not a bug, but a feature.
+
+After \texttt{\bs erc at createrandomlist} has done it's job, the command \texttt{\bs erc at typesetchoices}
+is simply expanded within a \texttt{choices} environment.
+
+Now if the global \texttt{overload} option is in effect, some more trickery is needed. First, a copy
+of the \texttt{choices} environment is created using \texttt{\bs let}:
+
+\begin{lstlisting}
+%% Save choices environment
+\let\@oldchoices\choices
+\let\end at oldchoices\endchoices
+\end{lstlisting}
+
+Using \texttt{\bs let} doesn't create problems, because the \texttt{choices} environment
+doesn't support options. See \url{https://tex.stackexchange.com/questions/116670/}.
+Next, the \texttt{\bs choices} environment is redefined:
+
+\begin{lstlisting}
+%% Renew the choices environment
+\RenewEnviron{choices}[1][]{
+
+ %% Create a random list
+ \erc at createrandomlist[#1]
+
+ %% Start the choices environment
+ \begin{@oldchoices}
+ % Execute the list
+ \erc at typesetchoices
+ \end{@oldchoices}
+}
+\end{lstlisting}
+
+Note that now the \texttt{\bs choices} environment can handle the same options as the
+\texttt{randomizechoices} environment.
+
+\subsection{Note on the key table}
+The code of the key table is first collected using a series of \texttt{\bs gappto} and
+\texttt{\bs xappto} commands. Using these commands is far more easy then typesetting it
+directly from the package. See \url{https://tex.stackexchange.com/questions/367979/}
+why. Notably the use of \texttt{\bs begin}, \texttt{\bs foreach} and \texttt{\bs hline}
+is problematic.
+
+\subsection{Verbatim environments}
+Verbatim environments are currently not supported. This is due to the way \texttt{\bs NewEviron}
+collects its contents. A \texttt{\bs NewEnviron} is not really an environment at all, but a
+command. One solution is to write the contents to a file and then include the file. This is
+being investigated. See
+% \url{https://tex.stackexchange.com/questions/51239/verbatim-in-environ-s-body}.
+\url{https://tex.stackexchange.com/questions/51239/}.
+
+Also the \texttt{\bs verb} command is not supported, but \texttt{\bs lstinline} is.
+
+\section{A personal note}
+I've been using the \texttt{exam} document class for five years now. What I like most
+is the consistent typesetting of my exams. I don't use sub parts and sub-sub parts
+because in my opinion this not the right way to prepare an exam. I've written a
+department consistent class that provides the department's cover pages and some
+other typesetting trickery. This class is used by a small core \TeX\ users. Regrettably,
+the majority of my colleagues use Word *cough*.
+
+\end{document}
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+%%
+%% exam-randomizechoices.tex
+%%
+%% Randomize mc choices using the exam class -- examples
+%%
+%% Copyright (c)2019, Jesse E. J. op den Brouw
+%%
+%% This work 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 2003/12/01 or later.
+%%
+%% This work consists of the files exam-randomizechoices.sty,
+%% exam-randomizechoices.tex and exam-randomizechoices-doc.tex
+
+%% This software is provided 'as is', without warranty of any kind,
+%% either expressed or implied, including, but not limited to, the
+%% implied warranties of merchantability and fitness for a
+%% particular purpose.
+
+%% Jesse op den Brouw
+%% Department of Electrical Engineering
+%% The Hague University of Applied Sciences
+%% Rotterdamseweg 137, 2628 AL, Delft
+%% Netherlands
+%% J.E.J.opdenBrouw at hhs.nl
+
+%% The newest version of this package should always be available
+%% from BitBucket: https://bitbucket.org/jesseopdenbrouw/exam-randomizechoices/src/master/
+
+\documentclass[answers,addpoints]{exam}
+
+\usepackage{parskip}
+\usepackage[colorlinks,linkcolor=blue]{hyperref}
+\usepackage{mathtools}
+
+\usepackage[debug,randomize,nokeeplast]{exam-randomizechoices}
+\usepackage[a4paper]{geometry}
+
+\setrandomizerseed{999}
+
+%%\checkboxchar{\thecheckbox}
+%%\checkedchar{\thecheckbox}
+
+\CorrectChoiceEmphasis{\color{red}\slshape}
+
+\begin{document}
+
+
+\section*{Exam}
+The total number of points to earn is \numpoints.
+
+\hrulefill
+
+
+\begin{questions}
+
+
+
+
+%%%%1
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%2
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparchoices}
+
+%%%%%3
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizecheckboxes}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizecheckboxes}
+
+%%%%%%%%4
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparcheckboxes}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparcheckboxes}
+
+%%%%%%%%5
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizecheckboxes}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizecheckboxes}
+
+%%%%%%%%6
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparcheckboxes}[nokeeplast]
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparcheckboxes}
+
+%%%%%%%%7
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparcheckboxes}[nokeeplast]
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparcheckboxes}
+
+%%%%%%%%8
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparcheckboxes}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparcheckboxes}
+
+%%%%%%%%9
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%10
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{choices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{choices}
+
+%%%%%%%%11
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparchoices}[keeplast]
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparchoices}
+
+%%%%%12
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{oneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{oneparchoices}
+
+%%%%%%%%13
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+%%%%%\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%%%%14
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+%\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%%%%15
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{choices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{choices}
+
+%%%%%%%%16
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparchoices}
+
+%%%%%%%%17
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{oneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{oneparchoices}
+
+%%%%%%%%18
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+%%%\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%%%%19
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+%%%\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%%%%20
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{choices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{choices}
+
+%%%%%%%%21
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparchoices}
+
+%%%%%%%%22
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{oneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{oneparchoices}
+
+%%%%%%%%21
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+%%%\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%%%%22
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+%%%\begin{randomizechoices}[norandom,random,nokeeplast,keeplast]
+\begin{randomizechoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizechoices}
+
+%%%%%%%%23
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{choices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{choices}
+
+%%%%%%%%24
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparchoices}
+
+%%%%%%%%25
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{oneparchoices}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{oneparchoices}
+
+%%%%%%%%26
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizecheckboxes}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizecheckboxes}
+
+%%%%%27
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{checkboxes}
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{checkboxes}
+
+%%%%%%%%28
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{randomizeoneparcheckboxes}[nokeeplast]
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{randomizeoneparcheckboxes}
+
+%%%%%29
+\question[5]
+One of these things is not like the others; one of these
+things is not the same. Which one is different?
+
+\begin{oneparcheckboxes}%[keeplast]
+\choice John
+\choice Paul
+\choice George
+\choice Ringo
+\CorrectChoice Socrates
+\end{oneparcheckboxes}
+
+%%\question
+%%Proceed with the next sub-questions.
+%%\begin{parts}
+%%\part[5] One of these things is not like the others; one of these
+%%things is not the same. Which one is different?
+%%
+%% \begin{randomizechoices}[keeplast]
+%% \CorrectChoice Dit antwoord is fout $\emptyset$
+%% \choice Het antwoord is 42.
+%% \choice Het antwoord is 3,14159
+%% \choice Nog een antwoord.
+%% \choice Geen van de bovenstaande antwoorden is correct.
+%% \end{randomizechoices}
+%%
+%%\part[5] One of these things is not like the others; one of these
+%%things is not the same. Which one is different?
+%%
+%% \begin{randomizecheckboxes}[keeplast]
+%% \choice John
+%% \choice Paul
+%% \choice George
+%% \choice Ringo
+%% \CorrectChoice Socrates
+%% \end{randomizecheckboxes}
+%%
+%%\part[5] One of these things is not like the others; one of these
+%%things is not the same. Which one is different?
+%%
+%% \begin{randomizeoneparchoices}[keeplast]
+%% \choice John
+%% \choice Paul
+%% \choice George
+%% \choice Ringo
+%% \CorrectChoice Another person.
+%% \end{randomizeoneparchoices}
+%%
+%%\part[5] One of these things is not like the others; one of these
+%%things is not the same. Which one is different?
+%%
+%% \begin{randomizeoneparcheckboxes}[keeplast]
+%% \choice John
+%% \choice Paul
+%% \choice George
+%% \choice Ringo
+%% \CorrectChoice Socrates
+%% \end{randomizeoneparcheckboxes}
+%%
+%%\end{parts}
+%%
+%%
+
+\end{questions}
+
+\hrulefill
+
+Key table
+
+\printkeytable
+
+\writekeylist[testfile.txt]{\mykeylist}
+\writekeylist{\mykeylist}
+
+
+
+\end{document}
+
Property changes on: trunk/Master/texmf-dist/doc/latex/exam-randomizechoices/exam-randomizechoices.tex
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: trunk/Master/texmf-dist/tex/latex/exam-randomizechoices/exam-randomizechoices.sty
===================================================================
--- trunk/Master/texmf-dist/tex/latex/exam-randomizechoices/exam-randomizechoices.sty (rev 0)
+++ trunk/Master/texmf-dist/tex/latex/exam-randomizechoices/exam-randomizechoices.sty 2019-01-10 22:20:34 UTC (rev 49662)
@@ -0,0 +1,614 @@
+%%
+%% exam-randomizechoices.sty
+%%
+%% Randomize mc choices using the exam class
+%%
+%% Copyright (c)2019, Jesse E. J. op den Brouw
+%%
+%% This work 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 2003/12/01 or later.
+%%
+%% This work consists of the files exam-randomizechoices.sty,
+%% exam-randomizechoices.tex and exam-randomizechoices-doc.tex
+
+%% This software is provided 'as is', without warranty of any kind,
+%% either expressed or implied, including, but not limited to, the
+%% implied warranties of merchantability and fitness for a
+%% particular purpose.
+
+%% Jesse op den Brouw
+%% Department of Electrical Engineering
+%% The Hague University of Applied Sciences
+%% Rotterdamseweg 137, 2628 AL, Delft
+%% Netherlands
+%% J.E.J.opdenBrouw at hhs.nl
+
+%% The newest version of this package should always be available
+%% from BitBucket: https://bitbucket.org/jesseopdenbrouw/exam-randomizechoices/src/master/
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% What LaTeX format do we need and version and date
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\NeedsTeXFormat{LaTeX2e}[1994/06/01]
+%% Version and date
+\gdef\fileversion{0.1}
+\gdef\filedate{2019/01/09}
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% Sign up to LaTeX
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\ProvidesPackage{exam-randomizechoices}[\filedate\space \fileversion\space
+ LaTeX package for creating random placed choices in multiple choice environments using the exam document class]
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% Check if the exam class is loaded
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\@ifclassloaded{exam}%
+ {}%
+ {\PackageError{exam-randomizechoices}{The exam class is not loaded. Emergency stop!}{You didn't load the exam class explicit using \string\documentclass\space or implied by another class.}\stop}%
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% Process package options
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Want debug messages
+\newif\if@@ercdebug\@@ercdebugfalse
+\DeclareOption{debug}{\PackageWarning{exam-randomizechoices}{Debug turned on}\@@ercdebugtrue}
+
+%% Want to overload or not overload the *choices and *checkboxes environments?
+\newif\if@@ercoverload\@@ercoverloadfalse
+\DeclareOption{overload}{\if@@ercdebug\PackageWarning{exam-randomizechoices}{Overload turned on}\fi\@@ercoverloadtrue}
+\DeclareOption{nooverload}{\if@@ercdebug\PackageWarning{exam-randomizechoices}{Overload turned off}\fi\@@ercoverloadfalse}
+
+%% Global keeplast
+\newif\if@@ercgkeeplast\@@ercgkeeplastfalse
+\DeclareOption{keeplast}{\if@@ercdebug\PackageWarning{exam-randomizechoices}{Global keeplast turned on}\fi\@@ercgkeeplasttrue}
+\DeclareOption{nokeeplast}{\if@@ercdebug\PackageWarning{exam-randomizechoices}{Global keeplast turned off}\fi\@@ercgkeeplastfalse}
+
+%% Global random
+\newif\if@@ercgrandom\@@ercgrandomtrue
+\DeclareOption{randomize}{\if@@ercdebug\PackageWarning{exam-randomizechoices}{Global randomization turned on}\fi\@@ercgrandomtrue}
+\DeclareOption{norandomize}{\if@@ercdebug\PackageWarning{exam-randomizechoices}{Global randomization turned off}\fi\@@ercgrandomfalse}
+
+%% Unknown option
+\DeclareOption*{\PackageWarning{exam-randomizechoices}{Unknown option '\CurrentOption'}}
+\ProcessOptions\relax
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Load needed packages %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% http://ctan.org/pkg/{environ,etoolbox,pgffor}
+\@ifpackageloaded{environ}{\if@@ercdebug\PackageWarning{exam-randomizechoicces}{Package environ already loaded}\fi}{\RequirePackage{environ}}
+\@ifpackageloaded{etoolbox}{\if@@ercdebug\PackageWarning{exam-randomizechoicces}{Package etoolbox already loaded}\fi}{\RequirePackage{etoolbox}}
+\@ifpackageloaded{pgffor}{\if@@ercdebug\PackageWarning{exam-randomizechoicces}{Package pgffor already loaded}\fi}{\RequirePackage{pgffor}}
+
+
+%% A scratch counter
+\newcounter{erc at counter}
+
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Loading the randomizer seed %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newif\iferc at seedset\erc at seedsetfalse
+\newcommand{\setrandomizerseed}[1]{
+ \pgfmathsetseed{#1}
+ \global\erc at seedsettrue
+}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% Key list question nam and key name %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\newcommand{\keylistquestionname}[1]{\edef\erc at keylistquestionname{#1}}
+\keylistquestionname{Question}
+\newcommand{\keylistkeyname}[1]{\edef\erc at keylistkeyname{#1}}
+\keylistkeyname{Key}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% %%
+%% \erc at createrandomlist %%
+%% %%
+%% This macro creates a randomly ordered list from the %%
+%% choices given in the environments randomizechoices, %%
+%% randomizeoneparchoices, randomizecheckboxes, and %%
+%% randomizeoneparcheckboxes. Typesetting is left to the %%
+%% respective environment. %%
+%% %%
+%% Ideas taken from the mcexam package, %%
+%% see https://ctan.org/pkg/mcexam %%
+%% %%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\newcounter{erc at nrcorrectchoices}
+
+\newif\iferc at keeplast
+\newif\iferc at random
+\newif\iferc at nolabel
+\newcommand{\erc at createrandomlist}[1][]{%
+ %%
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Parsing question \thequestion}%
+ \fi
+ %%
+ %% Copy the global package options
+ \if@@ercgkeeplast\erc at keeplasttrue\else\erc at keeplastfalse\fi
+ \if@@ercgrandom\erc at randomtrue\else\erc at randomfalse\fi
+ %%
+ %% Check if label can be used
+ \erc at nolabelfalse
+ %%
+ %% Check if the user has defined our special command
+ \ifdefined\inaccessible
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{You should NOT define \noexpand\inaccessible}%
+ \else
+ \PackageError{exam-randomizechoices}{You should NOT define \noexpand\inaccessible. Emergency stop!}{Somewhere in your document, you have defined the macro \noexpand\inaccessible. This package relies on the fact that this macro is not defined. Please use another macro name instead. I have to stop now. Sorry.}%
+ \stop
+ \fi
+ \fi
+ %%
+ %% Parse options to question
+ \foreach \erc at option in {#1} {%
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{I found option: "\erc at option"}%
+ \fi
+ \ifdefstring{\erc at option}{keeplast}{\global\erc at keeplasttrue}{}%
+ \ifdefstring{\erc at option}{nokeeplast}{\global\erc at keeplastfalse}{}%
+ \ifdefstring{\erc at option}{randomize}{\global\erc at randomtrue}{}%
+ \ifdefstring{\erc at option}{norandomize}{\global\erc at randomfalse}{}%
+ \ifdefstring{\erc at option}{nolabel}{\global\erc at nolabeltrue}{}%
+ }%
+ %%
+ %% Counter for counting the number of choices
+ \setcounter{erc at counter}{-1}%
+ %% Counter for counting the number of correct choices
+ \setcounter{erc at nrcorrectchoices}{0}%
+ %% Useful \def
+ \def\erc at incr{\stepcounter{erc at nrcorrectchoices}}%
+ %%
+ %% Patch \BODY, \correctchoice and \CorrectChoice are replaced by \choice \inaccessible
+ %% We need to do this for the following step, which is splitting the list
+ %% into list items, because the list parser can only handle one separator at
+ %% a time.
+ \newbool{erc at stillpatching}%
+ \booltrue{erc at stillpatching}%
+ \whileboolexpr{ test {\ifbool{erc at stillpatching}}}{%
+ \patchcmd{\BODY}{\CorrectChoice}{\choice \inaccessible }{\erc at incr}{\boolfalse{erc at stillpatching}}%
+ }%
+ \booltrue{erc at stillpatching}%
+ \whileboolexpr{ test {\ifbool{erc at stillpatching}}}{%
+ \patchcmd{\BODY}{\correctchoice}{\choice \inaccessible }{\erc at incr}{\boolfalse{erc at stillpatching}}%
+ }%
+ %%
+ %% We need exactly one \CorrectChoice, so throw a warning if not.
+ \ifnum \theerc at nrcorrectchoices=1\relax\else
+ \PackageWarning{exam-randomizechoices}{You need exactly one \string\CorrectChoice, I found \theerc at nrcorrectchoices\space in question \thequestion}%
+ \fi
+ %%
+ %% Declare list \erc at list and separator \choice
+ \DeclareListParser{\erc at list}{\choice}%
+ %% Declare list iterator command
+ \renewcommand\do[1]{%
+ \stepcounter{erc at counter}%
+ \long\csgdef{erc at answer\roman{erc at counter}}{##1}%
+ }%
+ %% Put an \@empty in front of \BODY and create the list
+ \expandafter\erc at list\expandafter{\expandafter\@empty\BODY}%
+ %%
+ %% Emit the number of choices found, warning if less than two.
+ \ifnum \theerc at counter<2\relax
+ \PackageWarning{exam-randomizechoices}{You need at least two choices in question \thequestion}%
+ \else
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{I found \theerc at counter\space choices}%
+ \fi
+ \fi
+ %%
+ %% Check if there is text before the first \choice, \CorrectChoice or \correctchoice
+ %% and emit an error if so.
+ \setbox0=\hbox{\csuse{erc at answer}\unskip}%
+ \ifdim\wd0=0pt\else
+ \PackageError{exam-randomizechoices}{Something's wrong, perhaps a missing \string\choice\space or \string\CorrectChoice\space or \string\correctchoice\space in question \thequestion}{You cannot have text before the first \string\choice, \string\CorrectChoice\space or \string\correctchoice.}%
+ \fi
+ %%
+ %% Create a set of macros in the form of \erc at answerTempnum<number> where
+ %% we keep track of the choice numbers.
+ \foreach \a in {1,...,\theerc at counter}{%
+ \csxdef{erc at answerTempnum\a}{\a}%
+ }%
+ %%
+ %% If randomize question...
+ \iferc at random
+ %% If we should randomize...
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Randomizing...}%
+ \fi
+ %%
+ %% We need to perform a number of swaps to perform randomization
+ %% We do this on the \erc at answerTempnum<number> macros because it's
+ %% a pain to do it on the choices itself
+ \numdef\@numberofswaps{\theerc at counter-1}%
+% \PackageWarning{test}{++> \@numberofswaps\space \theerc at counter}%
+ %%
+ %% User didn't set the seed
+ \iferc at seedset
+ \else
+ \PackageWarning{exam-randomizechoices}{You didn't set the randomizer seed}%
+ \fi
+ %%
+ %% Randomize the choice number list
+ \foreach \x in {1,...,\@numberofswaps} {%
+ \iferc at keeplast
+ \pgfmathrandominteger{\r}{\x}{\@numberofswaps}%
+ \else
+ \pgfmathrandominteger{\r}{\x}{\theerc at counter}%
+ \fi
+ %%
+ %% Swap the items
+ \letcs\erc at temp{erc at answerTempnum\x}%
+ \global\csletcs{erc at answerTempnum\x}{erc at answerTempnum\r}%
+ \global\cslet{erc at answerTempnum\r}{\erc at temp}%
+ }%
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Done randomizing...}%
+ \fi
+ \fi
+ %%
+ %% We travel the list items. If an item begin with the special marker
+ %% \inaccessible, we prepend it with \correctchoice, otherwise we prepend it
+ %% with \choice. At the end we have all the list items prepended with
+ %% either \choice or \correctchoice. Then we append the list item to
+ %% the list.
+ %%
+ %% This list to typeset
+ \gdef\erc at typesetchoices{}%
+ \ifnum\theerc at counter>0\relax
+ \foreach \@x in {1,...,\theerc at counter} {%
+ %% Patchcmd doesn't like \usecs as command, so use an temporary macro with \let
+ \letcs{\erc at tempnr}{erc at answerTempnum\@x}%
+ \letcs{\erc at temp}{erc at answer\romannumeral \erc at tempnr}%
+ %%
+ %% Patch \inaccessible for \correctchoice in \erc at temp, otherwise prepend \choice to \erc at temp
+ \iferc at nolabel
+ \patchcmd{\erc at temp}{\inaccessible }{\correctchoice }{}{\gpreto{\erc at temp}{\choice}}%
+ \else
+ \patchcmd{\erc at temp}{\inaccessible}{\correctchoice \label{question@\thequestion @correctchoice}}{}{\gpreto{\erc at temp}{\choice}}%
+ \fi
+ %% Add expanded once version of \erc at temp to the list
+ \xappto{\erc at typesetchoices}{\expandonce{\erc at temp}}%
+ }%
+ \fi
+}%
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% Overloading the choices, oneparchoices, checkboxes and oneparcheckboxes
+%% environments (or not overloading)
+%%
+%% See https://tex.stackexchange.com/questions/116670/duplicating-environments
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+%%
+%% Overload the choices environment
+%%
+
+\if@@ercoverload
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Overloading choices environment}%
+ \fi
+
+ %% Save choices environment
+ \let\@oldchoices\choices
+ \let\end at oldchoices\endchoices
+
+ %% Renew the choices environment
+ \RenewEnviron{choices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the choices environment
+ \begin{@oldchoices}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldchoices}%
+ }
+
+ \NewEnviron{randomizechoices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the choices environment
+ \begin{@oldchoices}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldchoices}%
+ }
+\else
+ \NewEnviron{randomizechoices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the choices environment
+ \begin{choices}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{choices}%
+ }
+\fi
+
+%%
+%% Overload the oneparchoices environment
+%%
+\if@@ercoverload
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Overloading oneparchoices environment}
+ \fi
+
+ %% Save oneparchoices environment
+ \let\@oldoneparchoices\oneparchoices
+ \let\end at oldoneparchoices\endoneparchoices
+
+ %% Renew the oneparchoices environment
+ \RenewEnviron{oneparchoices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the oneparchoices environment
+ \begin{@oldoneparchoices}%
+ % Execute the list
+ \erc at typesetchoices
+ \end{@oldoneparchoices}%
+ }
+
+ \NewEnviron{randomizeoneparchoices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the oneparchoices environment
+ \begin{@oldoneparchoices}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldoneparchoices}%
+ }
+\else
+ \NewEnviron{randomizeoneparchoices}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1]%
+ %%
+ %% Start the oneparchoices environment
+ \begin{oneparchoices}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{oneparchoices}%
+ }
+\fi
+
+%%
+%% Overload the checkboxes environment
+%%
+\if@@ercoverload
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Overloading checkboxes environment}
+ \fi
+
+ %% Save choices environment
+ \let\@oldcheckboxes\checkboxes
+ \let\end at oldcheckboxes\endcheckboxes
+
+ %% Renew the oneparchoices environment
+ \RenewEnviron{checkboxes}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1,nolabel]%
+ %%
+ %% Start the choices environment
+ \begin{@oldcheckboxes}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldcheckboxes}%
+ }
+
+ \NewEnviron{randomizecheckboxes}[1][]{%
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1,nolabel]%
+ %%
+ %% Start the choices environment
+ \begin{@oldcheckboxes}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldcheckboxes}%
+ }
+\else
+ \NewEnviron{randomizecheckboxes}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1,nolabel]%
+ %%
+ %% Start the oneparchoices environment
+ \begin{checkboxes}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{checkboxes}%
+ }
+\fi
+
+%%
+%% Overload the oneparcheckboxes environment
+%%
+\if@@ercoverload
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Overloading oneparcheckboxes environment}
+ \fi
+
+ %% Save oneparcheckboxes environment
+ \let\@oldoneparcheckboxes\oneparcheckboxes
+ \let\end at oldoneparcheckboxes\endoneparcheckboxes
+
+ %% Renew the oneparcheckboxes environment
+ \RenewEnviron{oneparcheckboxes}[1][]{
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1,nolabel]%
+ %%
+ %% Start the oneparcheckboxes environment
+ \begin{@oldoneparcheckboxes}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldoneparcheckboxes}%
+ }
+
+ \NewEnviron{randomizeoneparcheckboxes}[1][]{%
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1,nolabel]%
+ %%
+ %% Start the oneparcheckboxes environment
+ \begin{@oldoneparcheckboxes}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{@oldoneparcheckboxes}%
+ }
+\else
+ \NewEnviron{randomizeoneparcheckboxes}[1][]{%
+ %%
+ %% Create a random list
+ \erc at createrandomlist[#1,nolabel]%
+ %%
+ %% Start the onrparcheckboxes environment
+ \begin{oneparcheckboxes}%
+ % Execute the list
+ \erc at typesetchoices%
+ \end{oneparcheckboxes}%
+ }
+\fi
+
+%%
+%% Simple key table printer
+%%
+%% Building a table with \foreach from the pgffor package is hard to do.
+%% See https://tex.stackexchange.com/questions/367979/latex-foreach-in-tabular-environment
+%% So we use \gappto and \xappto to build the table. At the end, we expand the macro
+%%
+\newcommand{\printkeytable}{%
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Writing key table}%
+ \fi
+ %% Create the key table typesetting macro
+ \xdef\erc at keytable{}%
+ %%
+ %% Add the preamble of the table {regular tabular}
+ \gappto\erc at keytable{\begin{tabular} {|c|c|} \hline}%
+ \xappto\erc at keytable{\erc at keylistquestionname\space & \erc at keylistkeyname}%
+ \gappto\erc at keytable{ \\ \hline}%
+ %%
+ %% Write the table entries.
+ \ifnum\thequestion=0\relax
+ \else
+ \foreach \x in {1,...,\thequestion} {%
+ %%
+ %% Add '\ref{question@\x} & ', \x should be expandend, \ref not
+ \gappto\erc at keytable{\ref}%
+ \xappto\erc at keytable{{question@\x}}%
+ \gappto\erc at keytable{ & }%
+ \@ifundefined{r at question@\x @correctchoice}{%
+ %not found
+ \gappto\erc at keytable{\textbf{??} \\ }%
+ }{%
+ %found
+ \gappto\erc at keytable{\ref}%
+ \xappto\erc at keytable{{question@\x @correctchoice}}%
+ \gappto\erc at keytable{ \\ }%
+ }%
+ }%
+ \fi
+ %%
+ %% Add the epilogue
+ \gappto\erc at keytable{\hline \end{tabular}}%
+ %%
+ %% Typeset the table
+ \erc at keytable%
+}
+
+%%
+%% Simple key list file writer
+%%
+\def\writekeylist{\@ifnextchar[{\erc at writekeylist}{\erc at writekeylist[\jobname.keylist]}}%
+\def\erc at writekeylist[#1]#2{%
+ %%
+ \if at filesw
+ %%
+ \if@@ercdebug
+ \PackageWarning{exam-randomizechoices}{Writing key list to file}%
+ \fi
+ \def\erc at macroname{#2}%
+ %% Open the key list file for writing and add some preface content.
+ \newwrite\tempfile
+ \immediate\openout\tempfile=#1%
+ \immediate\write\tempfile{\@percentchar}%
+ \immediate\write\tempfile{\@percentchar\space Automatically generated key list file}%
+ \immediate\write\tempfile{\@percentchar\space written by package exam-randomizechoices}%
+ \immediate\write\tempfile{\@percentchar\space File written at \today\space (\number\year/\two at digits\month/\two at digits\day)}% doesn't behave well
+ \immediate\write\tempfile{\@percentchar}%
+ \immediate\write\tempfile{\@percentchar\space Edits to this file are lost}%
+ \immediate\write\tempfile{\@percentchar\space This file may safely be removed}%
+ \immediate\write\tempfile{\@percentchar}%
+ %%
+ %% Create a command that has all the question numbers / question keys
+ %% separated by a /
+ \gdef\erc at keylist{\@gobble}%
+ %% Write the list entries.
+ \ifnum\thequestion=0\relax
+ \gdef\erc at keylist{}%
+ \else
+ \foreach \x in {1,...,\thequestion} {%
+ \@ifundefined{r at question@\x @correctchoice}{%
+ %not found
+ \xdef\erc at keylist{\erc at keylist,\x/?}%
+ }{%
+ %found
+ \xdef\erc at keylist{\erc at keylist,\x/\getrefnumber{question@\x @correctchoice}}%
+ }%
+ }%
+ \fi
+ %%
+ %% Write the gdef with key list in one write. This prevents Latex to
+ %% add end-of-line characters. After that, close the file.
+ \immediate\write\tempfile{\string\gdef\expandafter\string\erc at macroname\@charlb\erc at keylist\@charrb}%
+ \immediate\write\tempfile{\string\endinput}%
+ \immediate\closeout\tempfile
+ \else
+ \PackageError{exam-randomizechoices}{Cannot write key list file}{The writing of files is disabled by the system, so no key list file is generated.}%
+ \fi
+}
+
+\endinput
Property changes on: trunk/Master/texmf-dist/tex/latex/exam-randomizechoices/exam-randomizechoices.sty
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Modified: trunk/Master/tlpkg/bin/tlpkg-ctan-check
===================================================================
--- trunk/Master/tlpkg/bin/tlpkg-ctan-check 2019-01-10 22:19:11 UTC (rev 49661)
+++ trunk/Master/tlpkg/bin/tlpkg-ctan-check 2019-01-10 22:20:34 UTC (rev 49662)
@@ -261,7 +261,7 @@
euenc eukdate
euler eulerpx eulervm euro euro-ce europasscv europecv eurosym
everyhook everypage
- exam exam-n examdesign example examplep
+ exam exam-n exam-randomizechoices examdesign example examplep
exceltex excludeonly exercise exercisebank exercisepoints exercises
exp-testopt
expdlist expex export expressg exsheets exsol extarrows exteps
Modified: trunk/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc
===================================================================
--- trunk/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc 2019-01-10 22:19:11 UTC (rev 49661)
+++ trunk/Master/tlpkg/tlpsrc/collection-latexextra.tlpsrc 2019-01-10 22:20:34 UTC (rev 49662)
@@ -384,6 +384,7 @@
depend everypage
depend exam
depend exam-n
+depend exam-randomizechoices
depend examdesign
depend example
depend examplep
Added: trunk/Master/tlpkg/tlpsrc/exam-randomizechoices.tlpsrc
===================================================================
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