From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: How to change a link?
Date: Mon, 20 Oct 2014 15:02:41 +0200
Message-ID: <87d29m28su.fsf@nicolasgoaziou.fr>
References: <87a94yjia9.fsf@wmi.amu.edu.pl> <87bnpd4ov7.fsf@nicolasgoaziou.fr>
	<87h9yzobge.fsf@wmi.amu.edu.pl>
Mime-Version: 1.0
Content-Type: text/plain
Return-path: <emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
Received: from eggs.gnu.org ([2001:4830:134:3::10]:49760)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <mail@nicolasgoaziou.fr>) id 1XgCbB-0006O4-Oe
	for emacs-orgmode@gnu.org; Mon, 20 Oct 2014 09:02:17 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <mail@nicolasgoaziou.fr>) id 1XgCb3-0002GE-W2
	for emacs-orgmode@gnu.org; Mon, 20 Oct 2014 09:02:09 -0400
Received: from relay6-d.mail.gandi.net ([2001:4b98:c:538::198]:50750)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <mail@nicolasgoaziou.fr>) id 1XgCb3-0002B2-Qh
	for emacs-orgmode@gnu.org; Mon, 20 Oct 2014 09:02:01 -0400
In-Reply-To: <87h9yzobge.fsf@wmi.amu.edu.pl> (Marcin Borkowski's message of
	"Mon, 20 Oct 2014 02:02:09 +0200")
List-Id: "General discussions about Org-mode." <emacs-orgmode.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/archive/html/emacs-orgmode>
List-Post: <mailto:emacs-orgmode@gnu.org>
List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-orgmode>,
	<mailto:emacs-orgmode-request@gnu.org?subject=subscribe>
Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org
To: Marcin Borkowski <mbork@wmi.amu.edu.pl>
Cc: org-mode List <emacs-orgmode@gnu.org>

Marcin Borkowski <mbork@wmi.amu.edu.pl> writes:

> OK, it works, but: if the link description is empty, after this change
> it's still empty, so that it becomes the result of concatenation.  I'd
> like the link description to stay the same, no matter whether it's empty
> or not.  How do I set the /contents/ of a link object (as opposed to a
> property)?

Two examples:

1. with a full AST

    (org-with-wide-buffer
     (dolist (link (nreverse
                    (org-element-map (org-element-parse-buffer) 'link
                      (lambda (l)
                        (member (org-element-property :type l)
                                '("custom-id" "fuzzy"))))))
       (goto-char (+ (org-element-property :begin link) 2))
       (insert "file:path/to/other-file.org::")))

2. working directly on the buffer

    (org-with-wide-buffer
     (goto-char (point-min))
     (while (re-search-forward org-bracket-link-regexp nil t)
       (let ((context (org-element-context)))
         (when (and (eq (org-element-type context) 'link)
                    (member (org-element-property :type context)
                            '("custom-id" "fuzzy")))
           (goto-char (+ (org-element-property :begin context) 2))
           (insert "file:path/to/other-file.org::")))))


Regards,

-- 
Nicolas Goaziou