[R] using R under windows

[Simpson, William]

I am used to using R under unix. I have a problem with R under Windows-2000:
Suppose I have a is a plain text file code.r full of R code that I want to
source into R. My problem is that Windows invisibly tacks ".txt" onto the
end of the filename (the name looks like code.r but it is really
code.r.txt). How to get windows to both allow me to call it code.r (for
real! Not code.r.txt) and to edit it as a text file by default (say with
Notepad)?

Thanks for any help.

Bill Simpson

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