R devel - Jan 2014 - Sweave trims console output in "tex" mode

Hi


In the example .Rnw file below, only the newline between c and d is 
visible in the resulting .tex file after running R CMD Sweave. What is 
the reason for this behavior? Newlines are important in LaTeX and should 
be preserved. In particular, this behavior leads to incorrect LaTeX code 
generated when using tikz(console=TRUE) inside a Sweave chunk, as shown 
in the tikzDevice vignette.

A similar question has been left unanswered before: 
https://stat.ethz.ch/pipermail/r-help/2010-June/242019.html . I am well 
aware of knitr, I'm looking for a solution for Sweave.


Cheers

Kirill


\documentclass{article}
\begin{document}
<<inline,echo=FALSE,results=tex>>cat("a\n")
cat("b\n \n")
cat("c\nd")
@
\end{document}

On 14-01-02 7:05 PM, Kirill M?ller wrote:
> Hi
>
>
> In the example .Rnw file below, only the newline between c and d is
> visible in the resulting .tex file after running R CMD Sweave. What is
> the reason for this behavior? Newlines are important in LaTeX and should
> be preserved. In particular, this behavior leads to incorrect LaTeX code
> generated when using tikz(console=TRUE) inside a Sweave chunk, as shown
> in the tikzDevice vignette.
>
> A similar question has been left unanswered before:
> https://stat.ethz.ch/pipermail/r-help/2010-June/242019.html . I am well
> aware of knitr, I'm looking for a solution for Sweave.
You are running with the strip.white option set to TRUE.  That strips 
blank lines at then beginning and end of each output piece.  Just set 
strip.white=FALSE.

Duncan Murdoch
>
>
> Cheers
>
> Kirill
>
>
> \documentclass{article}
> \begin{document}
> <<inline,echo=FALSE,results=tex>>> cat("a\n")
> cat("b\n \n")
> cat("c\nd")
> @
> \end{document}
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>