[babel] tangle creates different filename than it used to

[babel] tangle creates different filename than it used to

["Martin G. Skjæveland"]

Hi,

running tangle with the following values

   #+begin_src xml :tangle test.rdf
   ...
   #+end_src

used to create a file called test.rdf. However, after a fresh git pull 
today this now tangles to the file test.rdf.xml, which is not what I want.

I think I could add rdf as a language babel would understand but 
interpret as xml with something like

   (add-to-list 'org-babel-tangle-langs '("rdf" "xml" nil t))

and rewrite the block to

   #+begin_src rdf :tangle test
   ...
   #+end_src

, but then it complains that there is no rdf-mode. How can I best solve 
this?

Thanks!

Martin

Re: [babel] tangle creates different filename than it used to

[Dan Davison]

"Martin G. Skjæveland" <martige@ifi.uio.no> writes:

> Hi,
>
> running tangle with the following values
>
>   #+begin_src xml :tangle test.rdf
>   ...
>   #+end_src
>
> used to create a file called test.rdf. However, after a fresh git pull
> today this now tangles to the file test.rdf.xml, which is not what I
> want.

I understand. I wonder if babel should simply assume that the user has
entered a file name with the correct extension when :tangle is something
other than "yes".

>
> I think I could add rdf as a language babel would understand but
> interpret as xml with something like
>
>   (add-to-list 'org-babel-tangle-langs '("rdf" "xml" nil t))

To tell it to use extension .rdf for rdf blocks would be

(add-to-list 'org-babel-tangle-langs '("rdf" "rdf" nil t))

and you'll also need

(org-babel-add-interpreter "rdf")

>
> and rewrite the block to
>
>   #+begin_src rdf :tangle test
>   ...
>   #+end_src
>
> , but then it complains that there is no rdf-mode. How can I best
> solve this?

To tell org to use sgml-mode for rdf:

(add-to-list 'org-src-lang-modes '("rdf" . sgml))

Dan

>
> Thanks!
>
> Martin
>
>
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Re: [babel] tangle creates different filename than it used to

["Martin G. Skjæveland"]

Dan Davison wrote:
> "Martin G. Skjæveland" <martige@ifi.uio.no> writes:
>> Hi,
>>
>> running tangle with the following values
>>
>>   #+begin_src xml :tangle test.rdf
>>   ...
>>   #+end_src
>>
>> used to create a file called test.rdf. However, after a fresh git pull
>> today this now tangles to the file test.rdf.xml, which is not what I
>> want.
> 
> I understand. I wonder if babel should simply assume that the user has
> entered a file name with the correct extension when :tangle is something
> other than "yes".

I would prefer such a solution. Why? The generic answer is that I would 
like to name my files myself, and, less generally---as we see in this 
case, the extension of a file does not always tell the language used to 
produce the file, e.g., rdf files may be written in xml or in n3, which 
is not xml. I would like to specify different editing modes for the same 
file extension.

>> I think I could add rdf as a language babel would understand but
>> interpret as xml with something like
>>
>>   (add-to-list 'org-babel-tangle-langs '("rdf" "xml" nil t))
> 
> To tell it to use extension .rdf for rdf blocks would be
> 
> (add-to-list 'org-babel-tangle-langs '("rdf" "rdf" nil t))
> 
> and you'll also need
> 
> (org-babel-add-interpreter "rdf")
> 
>> and rewrite the block to
>>
>>   #+begin_src rdf :tangle test
>>   ...
>>   #+end_src
>>
>> , but then it complains that there is no rdf-mode. How can I best
>> solve this?
> 
> To tell org to use sgml-mode for rdf:
> 
> (add-to-list 'org-src-lang-modes '("rdf" . sgml))

Thanks! This works just fine.

Martin