Re: Org-Babel and Ledger

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: Re: Org-Babel and Ledger
Date: Fri, 13 Aug 2010 13:33:20 +0200	[thread overview]
Message-ID: <87fwyizr0f.fsf@mundaneum.com> (raw)
In-Reply-To: 87zkwqzx0p.fsf@mundaneum.com

Hi Eric,

Sébastien Vauban wrote:
> "Eric Schulte" wrote:
>> Sébastien Vauban writes:
>>>
>>>>>> As you can see, the tables are completely wrongly made, because they're
>>>>>> based on spaces ("à la Awk") and not on fixed position of fields ("à la
>>>>>> Cut").
>>>>>>
>>>>>> What can I do about this?
>>>>>>
>>>>>> - Post-process every ledger command with some awk or cut command that
>>>>>>   will do whatever is needed
>>>>
>>>> 	(org-table-convert-region (point-min) (point-max))

As you adviced, I can play with the optional parameter in ob-ledger's code.

But what about the results of sh code?

Imagine now that I'm forced to use =sh= instead of =ledger=, in the following
pratical case:

#+srcname: reg
#+begin_src sh
m4 scorpios-ledger.dat | ledger -f - reg unknown
#+end_src

I'm using =m4= (and thus make some pre-processing) because I need (or want) to
be able to switch between =ledger= and =hledger= and comment in or out the
directives that are accepted by one but not by the other.

Then, such a result is still problematic:

--8<---------------cut here---------------start------------->8---
09-Aug-21 CHEQUE : 9953055                    Expenses:Unknown                                    166.70 EUR            166.70 EUR
09-Sep-17 CHEQUE : 7691785                    Expenses:Unknown                                    100.00 EUR            266.70 EUR
09-Oct-16 REMISE CHEQUE N 8686318 001 105     Expenses:Unknown                                   -525.00 EUR           -258.30 EUR
--8<---------------cut here---------------end--------------->8---

I've looked in =org-babel-execute:sh= and =org-babel-reassemble-table=, among
others, to look for similar constructs (calls to =org-table-convert-region=)
but did not find any.

Is there still a solution to get such results?

--8<---------------cut here---------------start------------->8---
#+results:
| 09-Aug-21 CHEQUE : 9953055                | Expenses:Unknown | 166.70 EUR  | 166.70 EUR  |
| 09-Sep-17 CHEQUE : 7691785                | Expenses:Unknown | 100.00 EUR  | 266.70 EUR  |
| 09-Oct-16 REMISE CHEQUE N 8686318 001 105 | Expenses:Unknown | -525.00 EUR | -258.30 EUR |
--8<---------------cut here---------------end--------------->8---

Couldn't we specify somehow the field separator as an extra header argument?
I've looked for such an already existing in
http://orgmode.org/manual/Specific-header-arguments.html#Specific-header-arguments,
but that does not seem to be available yet. Though, I do not know if this is
the right solution. I'm sure you'll tell me... ;-)

Best regards,
  Seb

-- 
Sébastien Vauban

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