I am working with Sweave and would like to print out into my latex document the
result of the R command
version$platform
So what I first tried in my .Rnw document was \Sexpr{print(version$platform)}.
However, the output from this command is the string "x86_64-apple-darwin10.8.0"
(without the quotes). This contains an underscore, which is a special character
in tex and so I get an error message from latex.
I can get round this by using sub to replace underscore with a space, but I
would like to know how to print the underscore if I really wanted to do so.
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