From mboxrd@z Thu Jan  1 00:00:00 1970
From: tsd@tsdye.com (Thomas S. Dye)
Subject: Re: How to pass named table reference in source block variable
Date: Wed, 07 Aug 2013 05:29:25 -1000
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In-Reply-To: <loom.20130807T102035-552@post.gmane.org> (Roland Donat's message
	of "Wed, 7 Aug 2013 08:28:17 +0000 (UTC)")
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To: Roland Donat <roland.donat@gmail.com>
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Roland Donat <roland.donat@gmail.com> writes:

> Thorsten Jolitz <tjolitz <at> gmail.com> writes:
>
>> 
>> This does the job in Emacs Lisp:
>> 
>>  #+TBLNAME: T
>>  |   | x | 1     |
>>  | ^ |   | varx  |
>> 
>> #+begin_src emacs-lisp :var x=T[0,-1]
>>  x
>> #+end_src
>> 
>> #+results:
>> : 1
>> 
>
> Thanks for the answer but in fact, my objective is precisely to avoid using 
> the indices of the value I want to pass as input of the code block.
>
> My goal is to use the cell name reference "varx" which would make the code 
> block simpler to maintain. Indeed, if I add new data on the top of table T, 
> I wouldn't have to change the reference in the code block since the name 
> reference is fixed.
>
>

Perhaps this can help:

http://orgmode.org/worg/org-contrib/babel/examples/lob-table-operations.html

Alternatively, you might pass the table to a code block of a language
that understands tables, such as an R data frame, and use that language
to retrieve values by name.

hth,
Tom

-- 
Thomas S. Dye
http://www.tsdye.com