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Re: [O] switch parsing in babel


From: John Kitchin
Subject: Re: [O] switch parsing in babel
Date: Mon, 28 Mar 2016 08:36:22 -0400
User-agent: mu4e 0.9.16; emacs 25.1.50.1

Nicolas Goaziou writes:

> Hello,
>
> John Kitchin <address@hidden> writes:
>
>> I am trying to make a new source block that looks like this:
>>
>> #+BEGIN_SRC obabel -icml -osmi
>> [CH4]
>> #+END_SRC
>>
>> This gets parsed to:
>>
>> (src-block
>>  (:language "obabel" :switches "-i" :parameters "cml -osmi" :begin
>> 190 :end 240 :number-lines nil :preserve-indent t :retain-labels
>> t :use-labels t :label-fmt nil :hiddenp nil :value "[CH4]
>> \n" :post-blank 1 :post-affiliated 190 :parent nil))
>>
>> Is that correct? I would have thought that
>> 1. The first switch should be -icml
>> 2. -osmi would also be a switch.
>
> This is incorrect, but not in the way you think.
>
> There is no concatenation for switches in Org syntax, so it should be
> parsed as
>
>   :switches nil :parameters -icml -osmi
>
> which looks wrong anyway.
>
> Maybe you're simply mis-using switches here, which are reserved to Org?

It could be. I get it now, I was looking at
http://orgmode.org/guide/Working-With-Source-Code.html

#+NAME: <name>
#+BEGIN_SRC <language> <switches> <header arguments>
<body>
#+END_SRC

and I just noticed that "<switches> can be used to control export of the
code block" which isn't what I was trying to do with it.

>
>
> Regards,


--
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu



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