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From: Florian Beck <fb@fbeck.net>
To: emacs-orgmode@gnu.org
Subject: Re: New feature? Remove duplicate subheadings, preserving order
Date: Tue, 2 Jan 2018 16:28:42 +0100	[thread overview]
Message-ID: <p2g8bf$3t0$1@blaine.gmane.org> (raw)
In-Reply-To: <87tvw5cu5t.fsf@nicolasgoaziou.fr>


> AFAIK, this is the first time this need is expressed on this ML. There
> is no equivalent in "org-list.el" either.

A way to handle duplicates would be useful, indeed. But a basic function 
should only remove duplicates that are truly identical (same properties, 
same tags, same/no content). Still, removing true duplicates from 
subtrees (AND lists) would be useful.

More useful would be a slightly more general approach. I have three 
kinds of duplicates:
  - duplicate IDs (which are handled rather poorly),
  - duplicate content (which often is only almost identical) and
  - duplicate headings (which usually I want to rectify when they are on
    the same level of the same subtree)

As you can see, a fixed concept of duplication is probably not going to 
work.

What I'd like is a function finds duplicates according to scope, match 
(as in `org-map-entries') and a user defined function. This function 
should then display the problem cases (via agenda view?). Then we need a 
couple of convenience functions like
  - delete all duplicates but the one at point,
  - mark duplicates I want to keep,
  - uniquify entries (tricky; for headlines maybe prompt the user; for
    IDs, we should check if the ID is referenced from somewhere)
  - merge entries.

But then, I also have duplicates (in content) I want to keep, e.g. one 
in my notes and in a writing project. So, we'd need a property like 
"DUPLICATE_OF".

  parent reply	other threads:[~2018-01-02 15:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-01  2:42 New feature? Remove duplicate subheadings, preserving order Allen Li
2018-01-01  5:55 ` Marcin Borkowski
2018-01-01 10:04 ` Nicolas Goaziou
2018-01-01 11:59   ` Allen Li
2018-01-01 18:26     ` Nicolas Goaziou
2018-01-01 23:04       ` Allen Li
2018-01-02  4:07         ` Adam Porter
2018-01-02  7:40           ` Allen Li
2018-01-02 14:36             ` Robert Horn
2018-01-02 21:34               ` Allen Li
2018-01-02 16:36             ` Nick Dokos
2018-01-02 21:22               ` Allen Li
2018-01-03  7:24                 ` Adam Porter
2018-01-03  7:40               ` Adam Porter
2018-01-03  8:19                 ` Ihor Radchenko
2018-01-03  9:39                   ` Adam Porter
2018-01-02 15:28       ` Florian Beck [this message]
2018-01-02 21:28         ` Allen Li

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