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I want to set a new command which aims at using href (from hyperref package) but by providing some hypertarget as argument of the new command for a specific pdf.

Classical use of hypperref and href is : In first document A, I put some hypertarget :

\hypertarget{fileAhypertarget}{Should come to this}

In the second document B, I make a reference to hypertarget of document FileA.pdf

\href{fileA.pdf#fileAhypertarget}{Let's go to file A!}

Please notice that syntax of href for url in pdf use a # symbol

It works, but now I want to define a command of this type

\newcommand{\myhref}[2]{\href{fileA.pdf##1}{#2}}

But it does not work as # symbol of href command enters in conflict with # symbol of arguments of \newcommand.

Have you any idea, I try different syntax, \protect and thought to \expandafter but I failed.

If you have any idea, Thanks a lot

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    you need ## for the # and #1 for the argument, so 3 # Commented Apr 16, 2014 at 15:34
  • @DavidCarlisle Did you try? Commented Apr 16, 2014 at 15:42
  • @egreg no I went home:-) (I thought hyperref rescanned it, I guess not:-) Commented Apr 16, 2014 at 17:28

1 Answer 1

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You need that LaTeX sees a “stringified” #; here's a way

\documentclass{article} \usepackage{hyperref} \begingroup\lccode`?=`# \lowercase{\endgroup \newcommand{\myhref}[2]{\href{fileA.pdf?#1}{#2}} } \begin{document} \myhref{fileAhypertarget}{Let's go} \end{document}

Of course you lose the special treatment \href does to special characters, but it's not a problem if argument #1 has none of them.

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