Making section headers link to local files

Question

I want to make the section titles in my document link to external files on my machine, so that when you click on the section title, an external document (a pdf-file) is opened. What is the nicest way to do this?

Answer 1

You could define a \hrefsection command:

\documentclass{article}
\usepackage{xparse}
\usepackage{hyperref}

\NewDocumentCommand{\hrefsection}{smom}{%
  \IfBooleanTF{#1}
   {\section*{\href{#2}{#4}}}
   {\IfNoValueTF{#3}
     {\section{\href{#2}{#4}}}
     {\section[#3]{\href{#2}{#4}}}%
   }}

which replicates the behavior of \section:

\hrefsection*{file}{Title}
\hrefsection{file}{Title}
\hrefsection{file}[toc entry]{Title}