[R] Changing text file to .r format

Henrik Bengtsson henrik.bengtsson at gmail.com
Sat Nov 7 00:38:44 CET 2015

My guess is that your on Windows. If so, make sure to change settings in
Explorer to always show filename extensions, because now I think it drops
.txt when it lists/displays your files (this is one of the most annoying
features in Windows).

Also, some basic editors add .txt extension when you save a file the first
time. You can try to put quotation marks to force it not to, e.g.

On Nov 6, 2015 15:23, "Chattopadhyay, Somsubhra" <sch298 at g.uky.edu> wrote:

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

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

But this didn't seem to work as again when I try to call the function using
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.

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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