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I have TextMate running on Mac, and it has txmt protocol, that I can use as on web browser such as txmt://open/?url=file:///Users/smcho/smcho/bin/rst2html. I can use TextMate for editing rst2html.

However, when I tried to use this protocol with Org-mode as [txmt://open/?url=file:///Users/smcho/smcho/bin/rst2html], instead of opening TextMate, the rst2html binary is running.

I tried

(setq org-link-abbrev-alist
 '(
   ("edit" . "txmt://open/?url=file://%s")
))

to use [edit:/Users/smcho/smcho/bin/rst2html], but I get the same result.

How can I use specific protocol (in my case : txmt) with Org mode?

ADDED

It's not using protocol, but one can run open and edit some file with this command.

("edit" . "shell:/usr/local/bin/mate %s")
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prosseek
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2 Answers2

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I believe org-mode can only handle links specified on this page (and maybe a few other link types, e.g. links to git repos, courtesy of contrib packages). I'm not a TextMate/Apple user, but it seems to me that txmt:// protocol in the question is just a handler TextMate sets up for the installed browsers; you can't expect this to work with org.

The real question is -- can you set up a link so that a particular file is opened in TextMate. The most straightforward way is to issue a shell command that will open the file in TextMate. Using org-link-abbrev-alist, you could do something like ("edit" . "shell:/path/to/textmate_binary %s &"). You'll also want to use (setq org-confirm-shell-link-function nil) to suppress the confirmation prompt.

In general, it is always possible to create custom link types as described here; this involves writing the handler function in elisp. In this case, this would be a call to start TextMate using e.g. start-process. This would be a cleaner solution, but probably not worth the extra effort. In customizing org link handlers, it is usually sufficient to set up shortcuts via org-link-abbrev-alist, or set up handlers based on extension via org-file-apps.

Leo Alekseyev
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  • The org-mode runs the command if it's executable file (http://stackoverflow.com/questions/5044474/controlling-the-actions-with-org-mode), my other approach is to run elisp code in org-mode (http://stackoverflow.com/questions/5043895/how-to-call-elisp-function-within-org-mode), but I don't have an answer yet. – prosseek Feb 18 '11 at 21:05
  • @proseek: aha, here's what works (my example is with gedit, since I'm not on a mac) `(setq org-link-abbrev-alist '(("gedit" . "shell:/usr/bin/gedit %s")))`. It'll ask you for a confirmation; you might be able to toggle those confirmations off. – Leo Alekseyev Feb 18 '11 at 21:19
  • It works fine, thanks. BTW, do you know how to turn the confirmation off? – prosseek Feb 18 '11 at 21:26
  • @proseek: (setq org-confirm-shell-link-function nil) (edited answer to include this) – Leo Alekseyev Feb 18 '11 at 21:35
  • Thanks, Leo. You actually answered my other question - http://stackoverflow.com/questions/5044474/controlling-the-actions-with-org-mode – prosseek Feb 18 '11 at 21:39
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This is an old question, but I recently had a similar issue with links to Papers.app on my Mac (http://www.mekentosj.com). Papers provides a link protocol ("papers2:")for referring to documents in its Library, for example: "papers2://publication/uuid/4319127A-3FD5-4DB9-A3F8-1881AC937B74"

I wanted to be able to store these links in my org-mode document and have org open Papers.app when this link is visited. (\C-c\C-o)

On the Mac, you can specify links like this as the argument to the "open" shell command, and the appropriate application handles them.

The code below configures org-mode to send any link that looks like it has a protocol to "open" via the shell. The documentation for org-open-link-functions indicates that this hook is called after known external links are handled, but before textual searches begin.

This configuration should work for the original TextMate question with no modification.

(defun org-pass-link-to-system (link)
  (if (string-match "^[a-zA-Z0-9]+:" link)
    (shell-command (concat "open " link))
    nil)
  )

(add-hook 'org-open-link-functions 'org-pass-link-to-system)
craig
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