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From: Nick Dokos <nicholas.dokos@hp.com>
To: User <spamfilteraccount@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: Testing presence of a property
Date: Thu, 30 Jul 2009 16:56:15 -0400	[thread overview]
Message-ID: <20651.1248987375@alphaville.usa.hp.com> (raw)
In-Reply-To: Message from User <spamfilteraccount@gmail.com> of "Thu, 30 Jul 2009 19:57:55 -0000." <loom.20090730T194544-849@post.gmane.org>

User <spamfilteraccount@gmail.com> wrote:

> Is there a way to search for headlines which does *not* have set
> a particular property? Reading the manual I have the impression
> property search has the fixed syntax name=value, so there is no
> simple way to search for headers where a property is not yet set
> (that is, it has no value).
> 
> The only way I found is testing for all possible values, but it's
> a bit clumsy (prop<>"value1"+prop<>"value2"+prop<>"value3"...).
> 
> Is there a simpler way?
> 
> 

I don't use properties, but doesn't

  prop=""

work?

I added the following file to my agenda list:

,----
| 
| * head
|   :PROPERTIES:
|   :PROP:     foo
|   :END:
| 
| * tail
|   :PROPERTIES:
|   :PROP:   bar
|   :END:
`----

and I did

    C-c a m PROP="" <RET>

Since none of my normal headlines has the PROP property, I got a buffer
with all the headlines except the above two.

Conversely,

  C-c a m PROP<>"" <RET>

found only those two.

HTH,
Nick

next prev parent reply	other threads:[~2009-07-30 20:57 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-30 19:57 Testing presence of a property User
2009-07-30 20:56 ` Nick Dokos [this message]
2009-07-30 21:06   ` User

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