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R CMD not recognized at command-line

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R CMD not recognized at command-line

Elizabeth Purdom
Hi,
I am trying to run a batch command on Windows XP and R CMD is not
recognized. I get the error,

"'R' is not recognized as an internal or external command, operable program
or batch file."

I have "C:\Program Files\R\rw2010\bin" in my $PATH variable and Rcmd.exe
has been installed in that folder. I have restarted the computer to make
sure any changes in the $PATH variable registered. I have tried directly
calling Rcmd.exe or R.exe. None of this had any effect and I can't think
what I'm forgetting. In Cygwin,  I can get around this by explicitly giving
the path at the prompt line, for example,

 > ~/Program\ Files/R/rw2010/bin/R CMD --help

This work-around does not seem work from the usual DOS Command Prompt, but
I rarely use DOS commands so I may be missing something in syntax.
Similarly, if I want to run several successive input files with a .bat
file, this work-around won't work as a line in the .bat file.

I have two questions:
1) how can I make the computer recognize R so I can just type R CMD at the
prompt
2) what is a work-around like I did in cygwin that will work in a .bat file
or the standard command-line prompt so that you don't have to change the
path variable? (often students do not have permission to add the R folder
to the path variable of a networked computer, so I'd like to know an
alternative if someone asks me)

Thanks,
Elizabeth Purdom

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Re: R CMD not recognized at command-line

Gabor Grothendieck
In

http://cran.r-project.org/contrib/extra/batchfiles/

there are Windows XP batch files that you can use that will
automatically locate R using the registry and run it so that you
don't have to change your path.  Just place them anywhere
in your path.  See the README for more info.

I use them for building packages and also have a shortcut on my
desktop to one of them with a shortcut key defined so that after
installing a new version of R it automatically uses the new
version without any action on my part to reset the shortcut and
shortcut key.

On 1/10/06, Elizabeth Purdom <[hidden email]> wrote:

> Hi,
> I am trying to run a batch command on Windows XP and R CMD is not
> recognized. I get the error,
>
> "'R' is not recognized as an internal or external command, operable program
> or batch file."
>
> I have "C:\Program Files\R\rw2010\bin" in my $PATH variable and Rcmd.exe
> has been installed in that folder. I have restarted the computer to make
> sure any changes in the $PATH variable registered. I have tried directly
> calling Rcmd.exe or R.exe. None of this had any effect and I can't think
> what I'm forgetting. In Cygwin,  I can get around this by explicitly giving
> the path at the prompt line, for example,
>
>  > ~/Program\ Files/R/rw2010/bin/R CMD --help
>
> This work-around does not seem work from the usual DOS Command Prompt, but
> I rarely use DOS commands so I may be missing something in syntax.
> Similarly, if I want to run several successive input files with a .bat
> file, this work-around won't work as a line in the .bat file.
>
> I have two questions:
> 1) how can I make the computer recognize R so I can just type R CMD at the
> prompt
> 2) what is a work-around like I did in cygwin that will work in a .bat file
> or the standard command-line prompt so that you don't have to change the
> path variable? (often students do not have permission to add the R folder
> to the path variable of a networked computer, so I'd like to know an
> alternative if someone asks me)
>
> Thanks,
> Elizabeth Purdom
>
> ______________________________________________
> [hidden email] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
>

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