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From: "Eric Schulte" <schulte.eric@gmail.com>
To: Dan Davison <dandavison7@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>,
	Rainer M Krug <r.m.krug@gmail.com>
Subject: Re: [BABEL] "unset" :var definitions for subtree
Date: Sat, 12 Feb 2011 15:54:11 -0700	[thread overview]
Message-ID: <87lj1k4ziy.fsf@gmail.com> (raw)
In-Reply-To: m1mxm2r89z.fsf@gmail.com

Dan Davison <dandavison7@gmail.com> writes:

> [...]
>>> 2. It should be possible somehow to include the options together with
>>>    the shebang, or to replace :shebang with a more general "preamble"
>>>    concept. Or to make :shebang accept a code block as its value.
>>> 
>>> --------------------------------------------
>>> #+BABEL: :var A=13
>>> #+BABEL: :var B=14
>>> 
>>> #+header: :shebang #!/bin/bash #$ -cwd
>>> #+begin_src sh :tangle script.sh
>>> # empty
>>> #+end_src
>>> --------------------------------------------
>>
>> Similar to above - should work, but now the options for torque are
>> hidden in the shebang - which is not to nice, but should work - although
>> changing the options is not nearly as nice as if the options are in the
>> source block.
>
> It seems that we should be able to put the preamble lines in a src
> block. This works, but only after making an alteration to the sbe
> function (below) so that it will allow multiple line results. Maybe Eric
> will have some ideas here.
>

I'm happy for your patch below to be applied, although maybe replace
org-babel-table-truncate-at-newline with org-babel-trim, so that
leading/trailing newlines are still removed.  It would be nice to retain
org-babel-table-truncate-at-newline if we could tell which evaluations
were headed for a variable -- although this behavior doesn't seem worth
the addition of a new argument to sbe.

>
> ---------------------------------------
> #+BABEL: :var A=13
> #+BABEL: :var B=14
>
> #+srcname: sheb
> #+begin_src sh :results output
> echo '#!/bin/bash'
> echo '#$ -cwd'
> #+end_src
>
> #+header: :shebang (sbe sheb)
> #+begin_src sh :tangle script.sh
> # empty
> #+end_src
> ---------------------------------------
>
>
>        (setq source-block (symbol-name source-block)))
> -    (org-babel-table-truncate-at-newline ;; org-table cells can't be multi-line
>       (if (and source-block (> (length source-block) 0))
>           (let ((params
>                  (eval `(org-babel-parse-header-arguments
> @@ -116,7 +115,7 @@ example above."
>                                  ")")))))
>             (org-babel-execute-src-block
>              nil (list "emacs-lisp" "results" params) '((:results . "silent"))))
> -       ""))))
> +       "")))
>
>
> Dan

  parent reply	other threads:[~2011-02-12 23:13 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-07 15:12 [BABEL] "unset" :var definitions for subtree Rainer M Krug
2011-02-10  1:27 ` Eric Schulte
2011-02-10  8:33   ` Rainer M Krug
2011-02-10 16:48     ` Eric Schulte
2011-02-11  9:00       ` Rainer M Krug
2011-02-11  9:32         ` Dan Davison
2011-02-11 10:22           ` Rainer M Krug
2011-02-11 11:55             ` Dan Davison
2011-02-11 12:29               ` Rainer M Krug
2011-02-11 13:49                 ` Dan Davison
2011-02-11 13:56                   ` Rainer M Krug
2011-02-12 22:54                   ` Eric Schulte [this message]
2011-02-11 12:19       ` Dan Davison
2011-02-11 12:58         ` Rainer M Krug
2011-02-11 13:41           ` Dan Davison
2011-02-11 14:05             ` Rainer M Krug
2011-02-12 23:12               ` Eric Schulte
2011-02-13  1:21                 ` Dan Davison
2011-02-13 18:28                   ` Eric Schulte
2011-02-13 21:38                     ` Dan Davison
2011-02-14 19:22                       ` Eric Schulte
2011-02-11 14:16         ` Eric Schulte
2011-02-11 14:45           ` Dan Davison
2011-02-12 23:13             ` Eric Schulte
2011-02-13  1:38               ` Dan Davison
2011-02-13 18:33                 ` Eric Schulte

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