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* Link to open PDF at a specific page
@ 2020-11-14  8:46 Georges Ko
  2020-11-14 11:34 ` Jean Louis
  0 siblings, 1 reply; 2+ messages in thread
From: Georges Ko @ 2020-11-14  8:46 UTC (permalink / raw)
  To: emacs-orgmode


I'd like to open a PDF file to a specific page from a link, using the
default PDF viewer in Windows (same as w32-shell-execute "open"), which
opens a browser.

With a browser, I can open it with this HTML link:

  <a href="file:///c:/a/b/c/file.pdf#page=4">Page 4</a>

This link as an Org mode link doesn't work:


as "#page=4" is interpreted as part of the filename by w32-shell-execute.

If I modify org-file-apps for PDF to:

("\\.pdf::\\([0-9]+\\)\\'" . "browser file:///%s#page=%1")

and if the Org link is:


it doesn't work because the argument passed to browser is:


A quick workaround is to modify org-open-file by removing
shell-quote-argument, from:

  (shell-quote-argument (convert-standard-filename file))


  (convert-standard-filename file)

to get the following string, which correctly opens page 4.


If I export the file as HTML, it is output as:

  <a href="file:///c:/a/b/c/file.pdf#MissingReference">...</a>

so I modified org-html-link from:

  (concat raw-path
	  (org-publish-resolve-external-link option path t))


  (concat raw-path
	  (let ((r (org-publish-resolve-external-link option path t)))
	    (or (and (string= r "MissingReference")
		     (string-match "\\.pdf\\'" path)
		     (string-match "[0-9]+" option)
		     (format "page=%s" option))

which generates the wanted HTML link:

  <a href="file:///c:/a/b/c/file.pdf#page=4">...</a>

Is there any way less quick & dirty to achieve this?


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-11-16 10:43 UTC | newest]

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2020-11-14  8:46 Link to open PDF at a specific page Georges Ko
2020-11-14 11:34 ` Jean Louis

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