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Re: [O] Accessing #+EMAIL in LaTeX Export

From: Nick Dokos
Subject: Re: [O] Accessing #+EMAIL in LaTeX Export
Date: Tue, 04 Feb 2014 12:31:03 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux)

Nick Dokos <address@hidden> writes:

> "R. Michael Weylandt" <address@hidden> writes:
>> I want org-mode to export to the "amsart" class by default. In
>> addition to the regular \title, \author, \date macros, amsart also
>> allows for "email".
>> (add-to-list 'org-latex-classes
>>        '("amsart"
>>          "\\documentclass{amsart}
>>           [DEFAULT-PACKAGES]
>>           [PACKAGES]
>>           [EXTRA]
>>           \\email{ {{{email}}} }"
>>           ("\\section{%s}" . "\\section{%s}")
>>            ("\\subsection{%s}" . "\\subsection{%s}")
>>            ("\\subsubsection{%s}" . "\\subsubsection{%s}")))
>> Running this on a document like:
>> #+TITLE: Test 1
>> #+AUTHOR: Michael Weylandt
>> #+EMAIL: address@hidden
>> #+LATEX_CLASS: amsart
>> * Header 1
>> Hello World
>> leaves me with "\email{email}" in the resulting LaTeX instead of
>> "address@hidden". Since this is used as part of
>> \maketitle, doing something in the body (like your example) is too
>> late.
>> The #+EMAIL: value is handled by ox-latex.el, but it's only placed
>> inside the \author{} macro instead of in a stand alone \email{}.
>> That's the behavior I'm hoping to tweak.
>> Is that clearer?
> Much - thanks. I haven't thought much about it but my knee-jerk reaction
> is to use a marker (something like address@hidden@}) when defining the
> class and use a filter to replace it at the end. But there are might be
> more elegant solutions around.

So here's a brute-force solution along the above lines:

--8<---------------cut here---------------start------------->8---
#+EMAIL: address@hidden
#+LATEX_CLASS: amsart

* foo

* code                                                                          
This should probably go in some initialization file - for testing, I just 
the code blocks by hand:

#+name: email-filter
#+BEGIN_SRC elisp :results none
  (defun nd-email-filter (contents backend info)
    (let ((email (plist-get info :email)))
      (replace-regexp-in-string "@EMAIL@" email contents t)))
  (add-to-list 'org-export-filter-final-output-functions (function 

#+name: amsart
#+BEGIN_SRC elisp :results none
  (setq amsart-class
            address@hidden@ }"
            ("\\section{%s}" . "\\section{%s}")
             ("\\subsection{%s}" . "\\subsection{%s}")
             ("\\subsubsection{%s}" . "\\subsubsection{%s}")))
  (add-to-list 'org-latex-classes amsart-class)

This deletes the amsart from the org-latex-classes list:

#+BEGIN_SRC elisp
  (setq org-latex-classes (cdr org-latex-classes))
--8<---------------cut here---------------end--------------->8---


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