Frozenlock <frozenlock@gmail.com> writes:

> I am a strong advocate in keeping the source of everything.
>
> However,  a source can easily be lost if it doesn't follow the document.
> In LaTeX, there's a package to attach a file to a PDF (like when you
> attach a file to an email).
> By doing so, the source will follow the PDF even if the common reader
> have no clue what it's for, or even how to use it.
>

This sounds like a great Reproducible Research practice.

>
> Here is how I attach my org source to every document I export to PDF:
>
> ;; Include the source file for every exported PDF (org-mode)
> (eval-after-load "org-exp"
>   '(defadvice org-export-as-latex (around org-export-add-source-pdf activate)
>      "Add the source (org file) to the resulting pdf file"
>      (let ((filename (buffer-name)))
>        ad-do-it ;do the function
>        (let ((latex-buffer ad-return-value))
> 	 (set-buffer latex-buffer)
> 	 (while (re-search-forward "\\\\usepackage{.+}" nil t)); go to the
> end of packages
> 	 (insert "\n\\usepackage{attachfile2}"); the package needed to attach files
> 	 (when (re-search-forward "\\\\end{document}" nil t)
> 	   (forward-line -1)
> 	   (insert
> 	    (concat
> 	     "\\vfill\n"
> 	     "\\footnotesize\n"
> 	     "The source of this document is an Org-Mode file attached here:"
> 	     "\n\\attachfile"
> 	     "{" filename "}")))
> 	 (save-buffer)))))
>
>
> This is by no mean a patch, but rather a quick hack. Perhaps someone
> with a working knowledge of the org-export could find a way to add a
> source option?
>

I think this practice may not actually require any changes to the
Org-mode core.  The attached small Org-mode file will attach itself to
pdf exports using only features already present in Org-mode.