Re: [Rd] R_LIBS_USER bugs

From: Jens Elkner <jel+r_at_cs.uni-magdeburg.de>
Date: Sat, 20 Feb 2010 07:02:27 +0100

On Wed, Feb 17, 2010 at 07:49:20AM -0800, Seth Falcon wrote: Hi,
>
> On 2/16/10 10:31 AM, Jens Elkner wrote:
> > Having currently a big problem with R 2.10.1 vanilla (Solaris):
> >
> > As soon as the R_LIBS_USER env var gets bigger than 1023 chars R
> > completely ignores it and uses the default:

BTW: Sometimes even more than 1000 chars cause an 'overflow' ...

> I guess the first question is, why do need such a long list of library
> directories?

E.g. for a clean/uncluttered build system. Distributed filesystem for several hundred students is another use case ...   

> >> Sys.getenv('R_LIBS_USER');
> > R_LIBS_USER
> > "${R_LIBS_USER-~/R/i386-pc-solaris2.11-library/2.10}"
>
> I see the same thing with R-devel on OS X. I can set R_LIBS_USER from
> within R using Sys.setenv to a value longer than 1024 and retrieve it
> again. But if I have such a value in my shell, it gets overwritten.

Strange and buggy IMHO ...

Regards,
jel.

-- 
Otto-von-Guericke University     http://www.cs.uni-magdeburg.de/
Department of Computer Science   Geb. 29 R 027, Universitaetsplatz 2
39106 Magdeburg, Germany         Tel: +49 391 67 12768

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