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From: Oleksandr Gavenko <gavenkoa@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: Kill all items with specific tag to kill-ring.
Date: Thu, 25 Apr 2013 08:56:07 +0000 (UTC)	[thread overview]
Message-ID: <loom.20130425T104358-577@post.gmane.org> (raw)
In-Reply-To: <F6C96DDA-1E67-4805-B785-A6EDC559C7A0@gmail.com>

Carsten Dominik <carsten.dominik <at> gmail.com> writes:

> On 25.4.2013, at 10:21, Oleksandr Gavenko <gavenkoa <at> gmail.com> wrote:
> > I finish with very hackie code (based on knowledge of internal
> > implementation of org-scan-tags):
> > 
> > (defun my-org-kill-by-tag (tag)
> >  (interactive (list (read-input "Enter tag: ")))
> >  (kill-new "")
> >  (org-scan-tags
> >   (lambda ()
> >     (let ( (last-command 'kill-region) )
> >       (org-cut-subtree)))
> >   '(member tag tags-list)
> >   nil) )
> > 
> > You can replace 'org-cut-subtree' by 'org-copy-subtree' if don't want remove
> > org entries...
> Yes, this work, nice trick with binding last-command to kill-region.

10 min of reading (info "(elisp)Low-Level Kill Ring")... This morning I ask:

        Want to delete distinct regions but make capable undo by single command.

This hack based on:

   (defun kill-region (beg end &optional yank-handler)
	  (if (eq last-command 'kill-region)
	      (kill-append string (< end beg) yank-handler)
	    (kill-new string nil yank-handler)))

> A less hackie version would probably add the found entries to a
> string or list and only put that string into the kill ring at the end.
> org-map-entries would allow processing of several files in one go,
> but it would be a very similar implementation.

I look to code and found that 'org-map-entries' call 'org-scan-tags'. As
'org-map-entries' looks complicated to me I try to use more low-level

'org-map-entries' also allow rich search queries:

  (info "(org)Matching tags and properties")

     Select headlines tagged `:work:', but discard those also tagged

     Selects lines tagged `:work:' or `:laptop:'.

     Like before, but require the `:laptop:' lines to be tagged also

Next 20 min I search for 'org-get-buffer-tags'. This code completely satisfy
my needs:

(defun my-org-kill-by-tag (tag)
  (interactive (list (completing-read "Enter tag: " (org-get-buffer-tags))))
  (kill-new "")
   (lambda ()
     (let ( (last-command 'kill-region) )
   '(member tag tags-list)
   nil) )

Is it possible to include "correct" implementation (seems that I can't able
implement one) to org-mode?

I want this feature in order to simplify precess of moving entries from job
org-file to home org-file by marking entries with tag :HOME:...

  reply	other threads:[~2013-04-25  9:25 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-25  5:32 Oleksandr Gavenko
2013-04-25  6:37 ` Carsten Dominik
2013-04-25  8:21   ` Oleksandr Gavenko
2013-04-25  8:36     ` Carsten Dominik
2013-04-25  8:56       ` Oleksandr Gavenko [this message]
2013-04-25 10:49         ` Carsten Dominik
2013-04-25 11:06           ` Oleksandr Gavenko
2013-04-25 11:48             ` Bernt Hansen
2013-04-29 17:14               ` Oleksandr Gavenko
2013-05-01 20:51                 ` Carsten Dominik

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