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Re: [O] org-babel pass data between blocks


From: Alan Schmitt
Subject: Re: [O] org-babel pass data between blocks
Date: Mon, 28 Apr 2014 15:07:29 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (darwin)

On 2014-04-28 14:41, Marvin Doyley <address@hidden> writes:

> Dear All,
>
> Is there way to pass data between blocks in org-babel. For example lets say 
> have two blocks
>
>
> #+begin_src python
> from pylab import *
> # Simple carrier
> t=linspace(0,1,100);
> fc=100;
> Ac =1;
> C=Ac*cos(2*pi*t);
>
> #+end_src
>
>
> What I would like to do is to pass both C and t to another python block, but 
> it is not clear how to do this.
>
> #+begin_src python 
> from pylab import *
>
> fm=1;
> Am=1
> m=Am*cos(2*pi*t); # message signal
>
> z=m*C;   #double side-band modulated signal
>
> #+end_src

I see three options (there are probably many others):
- use a session (see
http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-python.html
for instance);
- have C and t be the results of the first block, and chain the blocks;
- use noweb to include the second block is the first block.

Alan



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