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[O] Babel-tables: need to enable language to pass tables to code blocks
From: |
Luis Muñiz |
Subject: |
[O] Babel-tables: need to enable language to pass tables to code blocks |
Date: |
Sat, 18 Aug 2012 15:13:38 +0200 |
Hi! I've started using tables to provide data to my babel-embedded
scripts, and I've found some issues. The first one is that table data
is embedded in tangled scripts only if the source language has been
enabled for <a href="http://orgmode.org/org.html#Languages">evaluation</a>.
That is, given a sample table:
#+TBLNAME: sample-table
| n | 2**n | 3**n |
|---+------+------|
| 1 | 2 | 3 |
| 2 | 4 | 9 |
...the next block is supposed to create a file with the table in it
when tangled, but it doesn't...
#+BEGIN_SRC sh :var data=sample-table :tangle yes
:
#+END_SRC
... unless =sh= has been enabled for evaluation (by default, only
=emacs-lisp= is).
One can simply overcome this by first evaluating this block [fn:1]:
#+NAME: sh-activate
#+BEGIN_SRC emacs-lisp :results silent
(org-babel-do-load-languages 'org-babel-load-languages '((sh . t))
)
#+END_SRC
While this is not a serious problem it took me by surprise; I don't
know if it *really* has to be fixed (I'm unsure if this is a bug or a
feature ;) but, at least, it should appear in the documentation; may I
suggest <a href="http://orgmode.org/org.html#var">here</a>, under the
`table' heading?
I'm using org-mode version 7.8.11 from the GIT repository (updated
yesterday release_7.8.11-505-g952d72), and Emacs 23.2.1.
TIA,
--
- Luis Muñiz
[fn:1] BTW, I've found a simpler way to achieve the same results by
using file variables:
#+ -*- mode: org; eval: (let () (org-babel-goto-named-src-block
"sh-activate") (org-babel-execute-src-block) (org-babel-tangle)) -*-
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