[R] Making R packages

[Uwe Ligges]

Gattuso, Jean-Pierre wrote:

> Hi:
> 
> I am posting this message for a colleague who has a lot of trouble to 
> build an R package on Windows. He did not find a solution to his 
> problems on the R-help archives and hopes that one of the R gurus will 
> be able to help.
> 
> He has a directory "CO2" which should contain all the required files and 
> directories:
>     DATA:
>     DESCRIPTION
>     MAN:
>     R:
>     README
>     SRC:
> 
> The following command is run in a windows console:
>     C:\Program Files\R\rw1071\bin\rcmd INSTALL D:\CO2
> 
> Then he gets the following error (approximate translation of a French 
> message) :
>     "Perl is not recognized as an internal or external command, an 
> executable file or a command file"
> 
> Perl has of course been installed on the PC and my colleague has the 
> "Tools" file. He does not know what is wrong although he suspects that 
> environment variables (which ones?) must be changed.
> 
> Any help would be appreciated.
> 
> jp

You have to add perl to your environment variable "path".
It's a good idea to add your R directory too, so you can do:

d:\> Rcmd INSTALL CO2

If you have some C or Fortran sources, you will need the compiler as 
well, see ...\rw1071\src\gnuwin32\readme.packages for details.

Uwe Ligges
Uwe Ligges