Re: [babel] ledger tutorial on Worg

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: [babel] ledger tutorial on Worg
Date: Thu, 09 Sep 2010 14:14:50 +0200	[thread overview]
Message-ID: <8762yfktad.fsf@mundaneum.com> (raw)
In-Reply-To: 87bp87kj7b.fsf@mundaneum.com

Hi Eric,

Sébastien Vauban wrote:
> [...] But right now, I don't get anything back from the following (same as
> for thread about isodoc letters):
>
> #+srcname: ledger-journal
> #+begin_src ledger
> 2008/01/03 * (SCORPIOS ) SEB VAUBAN
> 	Assets:Bank:Checking:799997400530	                        550.00 EUR
> 	Assets:Bank:Transferred
>
> 2008/01/01 * ( ) UNKNOWN-PAYEE
> 	Assets:Bank:Checking:799997400530	                         21.91 EUR
> 	Expenses:Unknown
> #+end_src
>
> #+srcname: ledger-registry
> #+begin_src ledger :cmdline reg unknown :noweb yes :session
> <<ledger-journal>>
> #+end_src
>
> In the *Messages* buffer, I get:
>
> Checking for library `filladapt'... Found
> Fontifying scorpios.org... (regexps.............................................)
> Checking for library `filladapt'... Found
> Fontifying scorpios.org... (regexps..............................................)
> Checking for library `filladapt'... Found
> Fontifying scorpios.org... (regexps...............................................)
> Checking for library `filladapt'... Found
> Checking for library `filladapt'... Found
> Org-mode restarted
> Local setup has been refreshed
>
> ... but no result block is added in my Org buffer.
>
> I'll carefully test all of this, as soon as I can re-execute Babel under
> normal conditions.

Stupid from me... I have absolutely no idea why, but, instead of pressing C-c
C-v C-e, I reused the old binging C-c C-c, hence not much happened -- as it is
disabled in my `.emacs' file:

(setq org-babel-no-eval-on-ctrl-c-ctrl-c t)

Maybe it'd be good to echo that "no eval" occurs anymore in such a condition?

Anyway, not always productive to work late...

Side question, as I searched everywhere for the cause of my problem: is it
totally equivalent to use `org-babel-do-load-languages' than to load
individual languages?

I currently have this in my config file:

--8<---------------cut here---------------start------------->8---
        ;; customize the `org-babel-load-languages' variable to enable support
        ;; for languages which can be evaluated in Org mode buffers
        (when (fboundp 'org-babel-do-load-languages)
          (org-babel-do-load-languages
           'org-babel-load-languages
           '((R . t)
             (ditaa . t)
             (dot . t)
             (emacs-lisp . t)
             (gnuplot . t)
             (haskell . nil)
             (latex . t)
             (ledger . t)
             (ocaml . nil)
             (octave . t)
             (org . t)  ;; VIP!
             (python . t)
             (ruby . t)
             (screen . nil)
             (sh . t)
             (sql . nil)
             (sqlite . t))))

        ;; activate a subset of languages
        (try-require 'ob-sh)

        (try-require 'ob-ditaa)
        ;; TODO Install this for Ditaa: sudo aptitude install openjdk-6-jre

        (try-require 'ob-dot)

        (try-require 'ob-emacs-lisp)

        (try-require 'ob-gnuplot)
        ;; requires gnuplot-mode

        (try-require 'ob-latex)

        ;; get `BEGIN_SRC org'/`END_SRC' blocks interpreted as Org markup
        (try-require 'ob-org)

        (try-require 'ob-perl)

        (try-require 'ob-python)
        ;; requires python, and python-mode

        (try-require 'ob-R)
        ;; requires R and ess-mode

        (try-require 'ob-ruby)
        ;; requires ruby, irb, ruby-mode, and inf-ruby

        (try-require 'ob-sql)

        ;; (require 'ob-identifier) ; ????????

        ;; support for interactive terminals. Mostly shell scripts. Heavily
        ;; inspired by `eev'
        (try-require 'ob-screen)
        ;; Eric Schulte believes screen has more of a focus on sustained
        ;; interaction with an interactive terminal, although to be honest he
        ;; haven't really used it and
--8<---------------cut here---------------end--------------->8---

I'm not sure to understand *all* the implications of choosing one over the
other, even after having read:

    (info "(org)Languages")

and `ob-org.el' for example.

Can you give me a hint, please?

Best regards,
  Seb

PS- `try-require' is my customized `require', which does not stop if file is
    not found...

-- 
Sébastien Vauban

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