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From: Carsten Dominik <carsten.dominik@gmail.com>
To: Oleksandr Gavenko <gavenkoa@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Kill all items with specific tag to kill-ring.
Date: Thu, 25 Apr 2013 12:49:56 +0200	[thread overview]
Message-ID: <B1B169C0-43D0-4F8A-90C7-4BD7D95E9202@gmail.com> (raw)
In-Reply-To: <loom.20130425T104358-577@post.gmane.org>


On 25 apr. 2013, at 10:56, Oleksandr Gavenko <gavenkoa@gmail.com> wrote:

> 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:
> 
>  http://thread.gmane.org/gmane.emacs.help/90339
>        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
> function...
> 
> 'org-map-entries' also allow rich search queries:
> 
>  (info "(org)Matching tags and properties")
> 
> `+work-boss'
>     Select headlines tagged `:work:', but discard those also tagged
>     `:boss:'.
> 
> `work|laptop'
>     Selects lines tagged `:work:' or `:laptop:'.
> 
> `work|laptop+night'
>     Like before, but require the `:laptop:' lines to be tagged also
>     `:night:'.
> 
> 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 "")
>  (org-scan-tags
>   (lambda ()
>     (let ( (last-command 'kill-region) )
>       (org-cut-subtree)))
>   '(member tag tags-list)
>   nil) )
> 
> Is it possible to include "correct" implementation (seems that I can't able
> implement one) to org-mode?


I thought your version did work?  Does it not?

- Carsten

> 
> 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 10:50 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
2013-04-25 10:49         ` Carsten Dominik [this message]
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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