Re: [O] Simplify repeated same section with different variable value

[Rainer M Krug]

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On 25/04/12 00:25, Darlan Cavalcante Moreira wrote:
> 
> If you like the call method (which is the best one IMHO) you can also add the 
> foo function to
> the library of babel. In this way you will be able to call it from any org 
> file without having
> to put the definition of the foo function in each of them.

I like the #+call method. But I have one additional question: The #+call: 
should not only execute
the source block, but also wrap the result from the source block in the org 
structure, so that the
call results in the same as if writing manually in org:

*** Data Checks
Here is some text
#+header: :results output
#+begin_src R
  cat(SPECIES)
#+end_src


I could obviously create the org text by hand in the R function, but I do not 
like this. So I
would like to have something like the following, i.e. a source org block, which 
is then evaluated. So

* subroutine
#+NAME: foo
#+BEGIN_SRC org :var SPECIES="sp1"
  ,*** Data Checks
  ,Here is some text
  ,#+header: :results output
  ,#+begin_src R
  ,  cat(SPECIES)
  ,#+end_src
#+END_SRC

* call
#+CALL: foo()

This, I hoped, would result in:

#+RESULTS: foo
*** Data Checks
Here is some text
sp1

But I get an error message: No org-babel-execute function for org!


I am stuck here.

Is this possible?

Thanks,

Rainer

> 
> -- Darlan
> 
> At Tue, 24 Apr 2012 10:44:27 -0400, Nick Dokos <address@hidden> wrote:
>> 
>> Rainer M Krug <address@hidden> wrote:
>> 
>>> On 24/04/12 14:36, Myles English wrote:
>>>>>> On Tue, 24 Apr 2012 14:22:48 +0200, Rainer M Krug said:
>>>> 
>>>>> Hi I have a section which I want to repeat for different variable values. 
>>>>> At the moment
>>>>> I am copying them, but I do not like it at all:
>>>> 
>>>>> ** Species one :PROPERTIES: :var: SPECIES="sp1" :END: *** Data Checks 
>>>>> Here is some
>>>>> text #+header: :results output #+begin_src R checkData(species=SPECIES) 
>>>>> #+end_src
>>>> 
>>>> 
>>>>> ** Species 2 :PROPERTIES: :var: SPECIES="sp2" :END: *** Data Checks Here 
>>>>> is some text 
>>>>> #+header: :results output #+begin_src R checkData(species=SPECIES) 
>>>>> #+end_src
>>>> 
>>>> 
>>>>> I am sure there must be an easier way with org?
>>>> 
>>>> How about using yasnippet?
>>> 
>>> Yasnippets would help in filling the file with the repeated code - but if I 
>>> want to change
>>> e.g. "some text" to "some more text", I still have to do it manually. 
>>> Nevertheless, if I
>>> could define the org section once and repeat it with different variable 
>>> values, this would
>>> enable me to change it only once.
>>> 
>> 
>> Use the #+call mechanism:
>> 
>> --8<---------------cut here---------------start------------->8--- * 
>> subroutine
>> 
>> #+name: foo #+BEGIN_SRC elisp :var x=1 (* x x) #+END_SRC
>> 
>> * call
>> 
>> #+call: foo(4)
>> 
>> #+RESULTS: foo(4) : 16
>> 
>> * call
>> 
>> #+call: foo(5)
>> 
>> #+RESULTS: foo(5) : 25 --8<---------------cut 
>> here---------------end--------------->8---
>> 
>> Nick
>> 
>> 
>> 


- -- 
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, 
UCT), Dipl. Phys.
(Germany)

Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa

Tel :       +33 - (0)9 53 10 27 44
Cell:       +33 - (0)6 85 62 59 98
Fax :       +33 - (0)9 58 10 27 44

Fax (D):    +49 - (0)3 21 21 25 22 44

email:      address@hidden

Skype:      RMkrug
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