Re: Is it possible to run shell script src blocks as root or to export individual blocks?

[Eric Schulte <eric.schulte@gmx.com>]

Andreas Leha <andreas.leha@med.uni-goettingen.de> writes:

> Eric Schulte <eric.schulte@gmx.com> writes:
>
>> Leo Alekseyev <dnquark@gmail.com> writes:
>>
>>> I was wondering if there was an easy way to execute some shell
>>> commands contained in a src block as root.  Alternatively, is there a
>>> quick way to export _just_ that one source block to a temp file so
>>> that I could run it as root manually?
>>>
>>
>> Just call org-babel-tangle with a prefix argument and it only tangles
>> the current block
>>
>>>
>
> Hi,
>
> I did not know this either.  Thanks for the hint!
>
> Shouldn't this be mentioned in the manual (14.4)?
>
> I have two questions/issues about this:
> (1) Can I get noweb-references to be expanded by this?  Or how would I
>     tangle one block with noweb references expanded?

There was a conflict between the narrowing to a single code block caused
by the prefix argument, and the code which searches for replacements to
noweb elements.  I've just pushed up a fix so noweb elements should now
expand as normal.

> 
> (2) I am asked for a filename.  But the header argument :tangle somefile
>     is overruling my input, which is un-expected.
>

This is now fixed as well.

Thanks,

>
> Regards,
> Andreas
>
>

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/