On 28.06.2011 13:56, Mike Marchywka wrote:
To: lig...@statistik.tu-dortmund.de
CC: r-help@r-project.org
Subject: Re: [R] Running R from windows command prompt
Thanks for your help.
I tried the way you mentioned for my first question. But I am not getting
any results.
Can you please explain in detail the process through which I can run a R
code from windows command prompt.
Either save your results using a function call in the foo.R file or just
look into the foo.Rout file R generated for you.
While your problem likely has nothing to do with windoh's, I would suggest
you go get cygwin ( see google) and use that.
Sure you can do, but note that cygwin is not officially supported.
I and probably others
have lots of scripts that work there and on linux. Bash scripts are
a better way to proceed if you want to do more than a test case and
they integrate with lots of other existing things.
R CMD BATCH foo.R behaves almost the same way in both Windows command
shell and the bash.
Best,
Uwe Ligges
2011/6/28 Uwe Ligges<lig...@statistik.tu-dortmund.de>
On 28.06.2011 11:54, siddharth arun wrote:
1. I have a R program in a file say "functions.R".
I load the "functions.R" file the R using source("function.R") and then
call
functionsf1(), f2() etc. which are declared and defined within
"function.R"
file.
I also need to load a couple of R libraries using library() before I can
use f1(), f2() etc.
My question is can I acheive all this (i.e. calling function f1() and
f2())
from the windows prompt without opening the R environment ? If yes then
how?
Put all the code into a file, e.g. "foo.R", and run
R CMD BATCH foo.R from the windows command shell.
2. Also, Is there any way to scan strings directly. Like scan() function
only scans numerical values. Is there any way to scan strings?
Yes, it is called scan() which is for arbitrary data, including
character(). See ?scan. Otherwise, you may want to look into ?readLines
Uwe Ligges
--
Siddharth Arun,
4th Year Undergraduate student
Industrial Engineering and Management,
IIT Kharagpur
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