Re: Re: Color of exported R code results using LaTeX listings

[Rainer M Krug <r.m.krug@gmail.com>]

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On 17/09/10 15:14, Steven Delean wrote:
> Thanks very much Rainer and Sébastien for your comments and information.
> 
> However, I am still unable to get color output for the _result_ of
> evaluating R code blocks.
> 
> #+source: Rcode
> #+begin_src R :results output :exports both
>   x <- 1:5
>   square <- function(x) {
>     x^2
>   }
>   square(x)
> #+end_src
> 
> 
> ## below is the .tex code generated which results in fontified and
> colored source code (code within lstlisting), but non-colored results
> (within verbatim). 
> 
> \lstset{language=R}
> 
> Rcode() $\equiv$ 
> \begin{lstlisting}
>   x <- 1:5
>   square <- function(x) {
>     x^2
>   }
>   square(x)
> \end{lstlisting}
> 
> \begin{verbatim}
>  [1]  1  4  9 16 25
> \end{verbatim}
>  
> So the question is how to color the output of text within
> \begin{verbatim} ...\end{verbatim} in an exported pdf (just a single
> color is fine)?

You could redefine the verbatim environment with
\renewenvironment{verbatim}[args]{begdef}{enddef}

http://www.personal.ceu.hu/tex/defs.htm
http://en.wikibooks.org/wiki/LaTeX/Customizing_LaTeX

If verbatim is only used for the results, nothing should go wrong.

Cheers,

Rainer

> Thanks for your time,
> Steve
> 
> 
> On Fri, 2010-09-17 at 11:13 +0200, Rainer M Krug wrote:
> On 17/09/10 10:52, Sébastien Vauban wrote:
>>>> Hi Steven and Rainer,
>>>>
>>>> Steven Delean wrote:
>>>>>> This is not an answer to your question, but rather a question to you:
>>>>>> I added your settings to my .emacs file, and I get fontification in the
>>>>>> pdf output, but no color. Do I need any additional settings to get
>>>>>> coloring of the source code?
>>>>>
>>>>> Yes, you will need to provide arguments to the \lstset listings variable
>>>>
>>>> See http://www.mail-archive.com/emacs-orgmode@gnu.org/msg28251.html for
>>>> examples of pretty-printed code.
> 
> Thanks - that looks really nice. Nice example.
> 
> As I said in the other email, that should go to worg.
> 
> Instead of
> #+begin_LaTeX
> #+end_LaTeX
> 
> I use
> 
> #+LATEX_HEADER: \lstset{
> #+LATEX_HEADER:         keywordstyle=\color{blue},
> #+LATEX_HEADER:         commentstyle=\color{red},
> #+LATEX_HEADER:         stringstyle=\color{green},
> #+LATEX_HEADER:         basicstyle=\ttfamily\small,
> #+LATEX_HEADER:         columns=fullflexible,
> #+LATEX_HEADER:         basewidth={0.5em,0.4em}
> #+LATEX_HEADER:         }
> 
> And it also works.
> 
> Cheers,
> 
> Rainer
> 
> 
>>>>
>>>> Best regards,
>>>>   Seb
>>>>
> 
> 
>>
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Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
Biology, UCT), Dipl. Phys. (Germany)

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