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I have some exercises with ID. 

\documentclass{report} \usepackage[paperwidth=17cm, paperheight=24cm, left=2cm,right=2cm,top=2cm,bottom=2cm]{geometry} \usepackage{fouriernc} \usepackage{xsim,pgffor} \usepackage{needspace} \DeclareExerciseEnvironmentTemplate{runin} {% \par\vspace{\baselineskip} \Needspace * {2\baselineskip} \noindent \textbf{\XSIMmixedcase{\GetExerciseName}~\GetExerciseProperty{counter}}% \GetExercisePropertyT{subtitle}{ \textit{#1}} % \GetExercisePropertyT{points}{% \marginpar{% \PropertyValue \GetExercisePropertyT{bonus-points}{+\PropertyValue}% \,\IfExerciseGoalSingularTF{points} {\XSIMtranslate{point}} {\XSIMtranslate{points}}% }% }% } {} \xsimsetup{ exercise/within=section , exercise/template=runin, solution/template=runin, solution/print = true, exercise/the-counter = \thesection.\arabic{exercise}.} \DeclareExerciseCollection{exam} \begin{document} \chapter{AAA} \section{BBB} \collectexercises{exam} \begin{exercise}[ID=q1] 1 \end{exercise} \begin{solution} 1 \end{solution} \begin{exercise}[ID=q2] 2 \end{exercise} \begin{solution} 2 \end{solution} \begin{exercise}[ID=q3] 3 \end{exercise} \begin{solution} 3 \end{solution} \begin{exercise}[ID=q4] 4 \end{exercise} \begin{exercise}[ID=q5] 5 \end{exercise} \begin{exercise}[ID=q6] 6 \end{exercise} \begin{exercise}[ID=q7] 7 \end{exercise} \begin{exercise}[ID=q8] 8 \end{exercise} \begin{exercise}[ID=q9] 9 \end{exercise} \begin{exercise}[ID=q10] 10 \end{exercise} \printcollection{all exercises} \section{Print with ID} \printexercise{exercise}{q3} \section{Answers} \printsolutions \end{document}

Now I want to print one (or some) exercise. I tried

\printexercise{exercise}{q3}

or

\printexercise{exercise}{q1,q3,q5}

But I can't get the result. How can I get it?

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4
  • \printexercise{exercise}{q1,q3,q5} can't work. It doesn't even match the description of the \printexercise... you're missing that there are two different types of id: id and ID. \XSIMexpandcode{\printexercise{exercise}{\GetExerciseIdForProperty{ID}{q3}}} should work… (it would probably best to define a wrapper macro \newcommand\insertexercise[1]{\XSIMexpandcode{\printexercise{exercise}{\GetExerciseIdForProperty{ID}{#1}}}}) Commented Jul 25, 2017 at 17:30
  • @clemens I copied your code, but I didn't get the result. Is there a command in front of \begin{document}? Commented Jul 25, 2017 at 23:42
  • I don't understand what you mean Commented Jul 26, 2017 at 11:03
  • BTW your code is missing \collectexercisesstop{exam} Commented Jul 26, 2017 at 11:05

1 Answer 1

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3

I tried [...]

\printexercise{exercise}{q1,q3,q5}

That actually doesn't make much sense as it doesn't follow the command description of \printexercise (p.19 of the current manual):

  • \printexercise{<type>}{<id>}
    Inserts the exercise of type <type> with the id <id>.

It is important to notice expects the id whereas in the question you tried to use the ID (p.10 of the current manual):

  • id = {<integer>}
    Holds the internal id of an exercise. Cannot be set by the user.
  • ID = {<text>}
    Holds the user id of an exercise if defined. Otherwise it is equal to id.

Here is a way that works:

\documentclass{article} \usepackage{xsim} \begin{document} \begin{exercise}[ID=foo] bla bla \end{exercise} \XSIMexpandcode{\printexercise{exercise}{\GetExerciseIdForProperty{ID}{foo}}} \end{document}

or probably better

\documentclass{article} \usepackage{xsim} \newcommand*\insertexercise[1]{% \XSIMexpandcode{\printexercise{exercise}{\GetExerciseIdForProperty{ID}{#1}}}% } \begin{document} \begin{exercise}[ID=foo] bla bla \end{exercise} \insertexercise{foo} \end{document}

enter image description here

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9
  • Suppose I have 10 exercises with ID=foo, when I type \insertexercise{foo}, I only get one exercise. How can I get enough 10 exercises? Commented Jul 27, 2017 at 7:04
  • @toandhsp each ID must be individual. (If assigning the same ID to several exercises doesn't throw an error when compiling then there is a bug in xsim.) It seems you want to insert exercises fitting certain tags, maybe something like this: github.com/cgnieder/xsim/blob/master/examples/… Commented Jul 27, 2017 at 12:28
  • I cleared points, but when I compile, I still get points. How can I clear all points? Commented Jul 27, 2017 at 15:38
  • 1
    @MichielVanCouwenberghe It is needed so \printexercise sees the result (i.e. the id) of \GetExerciseIdForProperty{ID}{#1} instead of seeing a macro which eventually expands to the id Commented Oct 4, 2019 at 9:43
  • 1
    @MichielVanCouwenberghe a similar reason. Try \do{\expandafter\insertexercise\expandafter{\x} Commented Oct 4, 2019 at 9:58

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