# [Rd] installing packages and libraries

Gabor Grothendieck ggrothendieck at gmail.com
Tue Jul 5 04:52:15 CEST 2005

```I figured it out.  There were quotes around the semicolon separated path.
When I removed them it worked.

On 7/4/05, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> When I run the following:
>
>  cd \Rpkgs
>  rcmd install mypackage -l library
>
> I get a message that it cannot find quadprog which is a library
> that mypackage depends on.
>
>
> I previously used C:\Program Files\R\rw2011\library as my library for CRAN
> packages and did not have a problem but now that I use
> C:\Program Files\R\library this problem has started.
>
> I actually can get it to work by doing either of the following:
>
> 1. install quadprog into \Program Files\R\rw2011path\library
>   instead of in \Program Files\R\library, or
>
> 2. install mypackage into \Program Files\R\library via:
>
>   rcmd install mypackage -l c:\PROGRA~1\R\library
>
> However, I can't seem to install mypackage into \Rpkgs\library
> like I want due to the error I showed above.
>
> I have \Program Files\R\rw2011pat\etc\Renviron.site set to my
> library list (its contents are just the single line shown here):
>
> R_LIBS=C:/PROGRA~1/R/library;C:/Rpkgs/library
>
> and normally that works fine, e.g. when doing install.packages
> to install a CRAN package, but I assume that it is not being
> read by the installation program.  I also tried setting R_LIBS, viz.
>
> C:\Rpkgs>set R_LIBS
> R_LIBS="C:\Program Files\R\library;C:\Rpkgs\library;C:\Program Files\R\rw2011pat
> \library"
>
> but that does not help.  In fact, if I do that I get this message:
>
> list.files: 'C:/Program Files/R/rw2011pat/library"' is not a readable directory
>
> even though that directory is valid as I double checked it.
>
> I have looked at ?Startup and the Admin Manual and the Writing Extensions