[R] Sweave line breaks

2010-07-30 Thread soeren . vogel
Hello, when I print x in Sweave, the lines do not wrap. However, I want them to 
wrap (perhaps at a specified width). How? Thanks, *S*

keep.source=TRUE=
x - Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod 
tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, 
quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo 
consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse 
cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non 
proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
print(x)
@

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Re: [R] Sweave line breaks

2010-07-30 Thread Marc Schwartz
On Jul 30, 2010, at 4:13 AM, soeren.vo...@eawag.ch wrote:

 Hello, when I print x in Sweave, the lines do not wrap. However, I want them 
 to wrap (perhaps at a specified width). How? Thanks, *S*
 
 keep.source=TRUE=
 x - Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do 
 eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim 
 veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea 
 commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit 
 esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat 
 cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est 
 laborum.
 print(x)
 @


See ?strwrap and ?paste. Also use cat() instead of print().

The double \\ at the end of each line tells LaTeX to force a line break. 
Since R will detect the \ as an escape character, you need to double them 
when cat()ing. I also add a newline (\n) so that the output after the \\ 
goes to the next line.

 cat(paste(strwrap(x, width = 70), collapse = \n), \n)
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do\\
eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim\\
ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut\\
aliquip ex ea commodo consequat. Duis aute irure dolor in\\
reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla\\
pariatur. Excepteur sint occaecat cupidatat non proident, sunt in\\
culpa qui officia deserunt mollit anim id est laborum. 


HTH,

Marc Schwartz

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