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Given a test.org file like 

* A level one heading ** [[file:other.org*some_heading][Some good stuffs]]

If I export it to HTML, Some good stuffs can get a nice link to another HTML. But this is not the case when exporting to PDF.

So when exporting to PDF, I want to include the actual content of some_heading. I know I can use something like 

#+INCLUDE: "other.org*some_heading"

But that's a comment, and it's not easy for me to see the origin structure of test.org. I want it at least look like a heading in the org file.

Is there a way to keep Some good stuffs a link when exporting to HTML while include its actual content when exporting to PDF? Thanks.

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  • The link syntax is wrong: it should be [[file:other.org::*some_heading][Some good stuff]]. When I export to PDF and open it with xpdf, Some good stuff is a link: when clicked, it opens other.org, although it does not go to some_heading. I'm not sure whether that behavior requires some setting in xpdf, but looking at both the global and local xpdfrc file, I find nothing relevant. Commented Apr 14, 2020 at 16:23
  • @NickD I've fixed the link syntax! When I export it to PDF on my mac, none the the PDF readers can follow the link to a org file or another PDF file. Commented Apr 15, 2020 at 1:50

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I finally come up with this solution, if you have better solution please post your answers!

(defun org-count-skip-lines-before-heading (filename) (with-temp-buffer (insert-file-contents-literally filename) (goto-char (point-min)) (let ((count 0)) (while (and (< (line-end-position) (point-max)) (not (string-match "^[ ]*\\*+" (thing-at-point 'line)))) (incf count) (forward-line)) (if (>= (line-end-position) (point-max)) (incf count)) count))) (defvar-local org-export-to-latex-follow-heading-link t) (defun org-export-to-latex-include-linked-headings (backend) (when (and (org-export-derived-backend-p backend 'latex) org-export-to-latex-follow-heading-link) (org-map-entries (lambda () ;; If current heading has no content. (unless (org-element-property :contents-begin (org-element-at-point)) (let ((text (nth 4 (org-heading-components)))) ;; If current heading is a org link. (if (string-match org-bracket-link-regexp text) (let ((location (match-string 1 text)) (description (match-string 2 text))) (when (string-prefix-p "file" location) ;; Remove link protocol. (setq location (replace-regexp-in-string "^[a-zA-Z]+:" "" location)) ;; Skip property lines if including a whole file. (let ((line-spec (if (string-match ".+::\\*+.+" location) "" (format ":lines \"%d-\"" (org-count-skip-lines-before-heading location))))) (forward-line) (insert (format "#+include: \"%s\" %s :only-contents t" location line-spec))) (write-file "shit.org")))))))))) (add-hook 'org-export-before-processing-hook #'org-export-to-latex-include-linked-headings)

This will have the effect that a linked heading with empty contents to a local file in any level will be exported using its actual content when exporting to latex/PDF.

Set org-export-to-latex-follow-heading-link to nil in buffers that you don't want this behavior!

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