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Sweave - print \n ?

4 messages · Abhijit Dasgupta, Werner Wernersen, Charilaos Skiadas

Werner Wernersen
# 
Hi,

this is probably quite stupid but I have no clue
what's wrong. Let's say I write the function
hline <- function() {
  cat("\\hline \n") 
}
and call hline() from within a Sweave chunk. Why is
there no carriage return after the \hline in the
resulting tex file? 

if I call hline() hline() in the chunk, then I get
\hline \hline 
in the tex code without a linebreak in between.

Thanks for any hints,
  Werner


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Abhijit Dasgupta
# 
you haven't escaped the \ for the \n, I think. Your line should be
cat("\\hline \\n"). You did escape the \ for hline, though.

Abhijit Dasgupta, Ph.D
Assistant Professor | Division of Biostatistics
Dept of Pharmacology and Experimental Therapeutics | Thomas Jefferson 
University
1015 Chestnut St | Suite M100 | Philadelphia PA 19107
Ph: (215) 503-9201 | Fax: (215) 503-3804
adasgupt (at) mail (dot) jci (dot) tju (dot) edu
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Werner Wernersen wrote:
Werner Wernersen
# 
Thanks for your comments!
I think using just one backslash for \n is correct
because otherwise I get a "\n" literally printed out
in the generated .tex code. But what I'm trying to get
is just a line break, thus that the .tex code
continues on a new line from the point where I put the
\n.

All the best,
  Werner



--- Abhijit Dasgupta <adasgupt at mail.jci.tju.edu>
schrieb:
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Charilaos Skiadas
# 
Try adding strip.white=false on the code chunks:

<<echo=false,results=tex, strip.white=false>>=
hline()
hline()
@

Read ?RweaveLatex for more settings.

or if you want this to happen in all code chunks add this early on in  
the rnw file:

\SweaveOpts{strip.white=false}

Haris Skiadas
Department of Mathematics and Computer Science
Hanover College
On Mar 29, 2008, at 4:54 AM, Werner Wernersen wrote: