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From: Ken Mankoff <mankoff@gmail.com>
To: Joost Kremers <joostkremers@fastmail.fm>
Cc: "Berry, Charles" <ccberry@health.ucsd.edu>, emacs-orgmode@gnu.org
Subject: Re: :tangle header argument not picked up in #+PROPERTY line or :PROPERTIES: block
Date: Tue, 31 Mar 2020 08:14:04 -0700	[thread overview]
Message-ID: <CAFdBzEo2iQusCwBp3kC-zLtBj1CM-8DZvCpDXvz_ZcZBihj0eQ@mail.gmail.com> (raw)
In-Reply-To: <874ku57aol.fsf@fastmail.fm>

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Yes I'm sure. From the link Thomas sent,

Any property specification, unless it is postfixed with a `+`, will *reset*
the value of that property to its current value.

C-c C-v <TAB> (for me, Charles uses C-c C-v C-i) withitn a code block shows
you the header args that are set for that block. Useful for debugging.

  -k.

On Mon, Mar 30, 2020 at 3:24 PM Joost Kremers <joostkremers@fastmail.fm>
wrote:

>
> On Mon, Mar 30 2020, Ken Mankoff wrote:
> > Header args overwrite. Change python to python+ to append header
> > args.
>
> Are you sure? That's not documented anywhere I can find and it
> seems to be belied by the fact that if I put the headers in the
> order:
>
> ```
> :PROPERTIES:
> :header-args:python: :tangle out1.py
> :header-args:python: :session py1 :results function
> :END:
> ```
>
> everything works as I would expect (the code blocks are tangled to
> a file `out1.py` *and* they are evaluated in a python session
> `py1`), meaning that *all* header args are picked up.
>
> If I reverse the order and add a `+` sign, like so:
>
> ```
> :PROPERTIES:
> :header-args:python+: :session py1 :results function
> :header-args:python+: :tangle out1.py
> :END:
> ```
>
> the code does indeed get tangled, but the `:results` header arg
> isn't picked up, because the code block doesn't produce any
> output.
>
> For reference, this is my test file:
>
> ```
> * Header 1
> :PROPERTIES:
> :header-args:python+: :session py1 :results function
> :header-args:python+: :tangle out1.py
> :END:
>
> #+begin_src python
> a=1
> b=2
> c=a+b
> return c
> #+end_src
>
> #+RESULTS:
> ```
>
>
> --
> Joost Kremers
> Life has its moments
>

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  parent reply	other threads:[~2020-03-31 15:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-28 22:00 :tangle header argument not picked up in #+PROPERTY line or :PROPERTIES: block Joost Kremers
2020-03-29 17:45 ` Berry, Charles via General discussions about Org-mode.
2020-03-29 20:13   ` Joost Kremers
2020-03-29 20:41     ` Berry, Charles via General discussions about Org-mode.
2020-03-29 22:07       ` Joost Kremers
2020-03-29 22:41         ` Joost Kremers
2020-03-29 23:44           ` Ken Mankoff
2020-03-30 22:23             ` Joost Kremers
2020-03-31  1:08               ` Berry, Charles via General discussions about Org-mode.
2020-03-31 20:04                 ` Joost Kremers
2020-03-31 15:14               ` Ken Mankoff [this message]
2020-03-31 19:54                 ` Joost Kremers
  -- strict thread matches above, loose matches on Subject: below --
2020-03-31  1:01 Thomas S. Dye
2020-04-01 19:07 ` Joost Kremers

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