[R] Running R from windows command prompt

[Uwe Ligges]

On 28.06.2011 13:56, Mike Marchywka wrote:
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>> To: ligges at statistik.tu-dortmund.de
>> CC: r-help at 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<ligges at 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
>>
>> 	[[alternative HTML version deleted]]
>>
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>