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I noticed a strange error of compilation.

After multiple tests, I noticed url and \href{}{} from hyperref package systematically generated the following error 

 main.tex, line 31 Runaway argument? {https://www.geogebra.org/m/ydz69yUz}{\beamerbutton {Méthode de Newt\ETC. ! Paragraph ended before \next was complete. <to be read again> \par l.31 \end{frame}

I am not as expert as most of you. But I lost my French on this question.

Here is MWE

\documentclass{beamer} \usepackage[utf8]{inputenc} \usepackage{hyperref} \usepackage[active,generate=file.tex]{extract} \begin{document} \begin{frame} {Geogebra} \begin{extract} \href{https://www.geogebra.org/m/ydz69yUz}{Description} \url{https://www.geogebra.org/m/ntbtfxGJ} \url{https://www.geogebra.org/m/Ehnz3hGb} \end{extract} \end{frame} \end{document}
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I'm not sure if combining the extract package with beamer is a good idea -- depending on what you like to accomplish, there might be better ways.

Anyway, you can make your document compile by using a fragile frame. Note that the resulting file.tex is not really usable, it should wrap the contents in a frame environment.

Also note that you don't need to load hyperref with beamer.

\documentclass{beamer} \usepackage[utf8]{inputenc} %\usepackage{hyperref} \usepackage[active,generate=file.tex]{extract} \begin{document} \begin{frame}[fragile] \frametitle{Geogebra} \begin{extract} \href{https://www.geogebra.org/m/ydz69yUz}{Description} \url{https://www.geogebra.org/m/ntbtfxGJ} \url{https://www.geogebra.org/m/Ehnz3hGb} \end{extract} \end{frame} \end{document}

Another solution is to use the extract environment outside of a frame:

\documentclass{beamer} \usepackage[utf8]{inputenc} %\usepackage{hyperref} \usepackage[active,generate=file.tex]{extract} \begin{document} \begin{extract} \href{https://www.geogebra.org/m/ydz69yUz}{Description} \url{https://www.geogebra.org/m/ntbtfxGJ} \url{https://www.geogebra.org/m/Ehnz3hGb} \end{extract} \begin{frame} \frametitle{Geogebra} \end{frame} \end{document}
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  • Thank you @samcarter ! I basically tried to extract all the urls to send them to my students. I don't like sending the whole pdf of my slides. Commented Dec 11, 2018 at 23:53
  • @Julien-ElieTaieb I see. Using different modes would probably be the beamer way to do this, e.g. beamer mode for the normal presentation and handout to create a slide with the urls. Commented Dec 12, 2018 at 0:22
  • Thx Sam carter ! I write the extract outside the frames and it works perfectly ! Commented Dec 13, 2018 at 17:55

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