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Re: [O] [PATCH] link descriptions in :file results of src blocks
From: |
Eric Schulte |
Subject: |
Re: [O] [PATCH] link descriptions in :file results of src blocks |
Date: |
Sat, 31 Mar 2012 10:09:10 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.94 (gnu/linux) |
Andreas Leha <address@hidden> writes:
> Hi all,
>
> this small patch adds :filelinkdescr to the list of possible header
> arguments for babel source blocks.
> Its intented functionality is to allow source blocks to return links to
> files with description.
>
> Two small examples:
>
> ,----[ example1 ]
> | #+begin_src R :results graphics :file test.png :filelinkdescr here
> | plot(1:10)
> | #+end_src
> |
> | #+results:
> | [[file:test.png][here]]
> `----
>
> ,----[ example2 ]
> | #+begin_src R :results graphics :file test2.png :filelinkdescr
> | plot(1:10)
> | #+end_src
> |
> | #+results:
> | [[file:test2.png][test2.png]]
> `----
>
> If used with value ("here" in the example1) that value will become the
> description. If used without value (as in example2), the description is
> taken from either the :file header argument or the results of the code block
> evaluation (in that order).
>
> Have not done much testing yet, though.
>
> Regards,
> Andreas
>
Hi Andreas,
I would like to apply this patch, however I have some questions about
the use of the :file argument and the result itself to fill in the
description if the :filelinkdescr header argument is left blank. Also,
I would suggest that :file-desc is a better name for this header
argument.
In my opinion using the :file argument as a description changes (or at
least adds to) the meaning of the :file header argument. Is there a
significant benefit to this behavior? If not I'd prefer that an empty
:file-desc header argument have no effect.
Thanks for this patch, which I think adds nice functionality and which I
would like to apply -- although I'll likely want to make the changes
above after application.
Cheers,
>
>
> From 698570cb9938ee1f4dd1472cb13b32d08d108cbb Mon Sep 17 00:00:00 2001
> From: Andreas Leha <address@hidden>
> Date: Tue, 27 Mar 2012 10:33:32 +0200
> Subject: [PATCH] new source block header argument :filelinkdescr
>
> ---
> lisp/ob.el | 10 +++++++++-
> 1 files changed, 9 insertions(+), 1 deletions(-)
>
> diff --git a/lisp/ob.el b/lisp/ob.el
> index d27a394..0efef3e 100644
> --- a/lisp/ob.el
> +++ b/lisp/ob.el
> @@ -400,6 +400,7 @@ then run `org-babel-pop-to-session'."
> (eval . ((never query)))
> (exports . ((code results both none)))
> (file . :any)
> + (filelinkdescr . :any)
> (hlines . ((no yes)))
> (mkdirp . ((yes no)))
> (no-expand)
> @@ -1833,7 +1834,14 @@ code ---- the results are extracted in the syntax of
> the source
> (progn
> (setq result (org-babel-clean-text-properties result))
> (when (member "file" result-params)
> - (setq result (org-babel-result-to-file result))))
> + (progn (when (assoc :filelinkdescr (nth 2 info))
> + (let ((filelinkdescr (or (cdr (assoc :filelinkdescr (nth 2
> info)))
> + (cdr (assoc :file (nth 2 info)))
> + result)))
> + (when filelinkdescr
> + (setq result
> + (list result filelinkdescr)))))
> + (setq result (org-babel-result-to-file result)))))
> (unless (listp result) (setq result (format "%S" result))))
> (if (and result-params (member "silent" result-params))
> (progn
--
Eric Schulte
http://cs.unm.edu/~eschulte/