[R] Changing text file to .r format

[Chattopadhyay, Somsubhra]

Dear all,

I am a beginner in R and want to ask a simple question. I have a code file
in text format which I need to change to .r format only. For example now it
is RHtestsV4.r.txt which needs to be changed to just RHtestsV4.r. I tried
this

sub("^([^.]*).*", "\\1", 'RHtestsV4.r.txt')
[1] "RHtestsV4"

But this didn't seem to work as again when I try to call the function using
source("RHtestsV4.r")
The error message is

Error in file(filename, "r", encoding = encoding) :
  cannot open the connection
In addition: Warning message:
In file(filename, "r", encoding = encoding) :
  cannot open file 'RHtestsV4.r': No such file or directory

I think it is due to the format of the file. Please help me to convert the
file to .r format.

Thanks
Som
-- 
Somsubhra Chattopadhyay
Graduate Research Assistant
Biosystem and Agricultural Engineering Department
University of Kentucky, Lexington, KY 40546
Email: schattop14 at uky.edu
Cell: 9198026951

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