[R] how to set environment variables?

[Andreas Zankl]

Renviron is in an odd places on Macs:
/Library/Frameworks/R.framework/Versions/2.1.1/Resources/etc/Renviron

As suggested in ?Startup, I added the R_GSCMD variable to 
Renviron.site instead.

Thanks for your help
Andreas



>
>
>>See the first paragraph of ?Startup.
>
>If this is literally `Renviron' (not ~/.Renviron or Renviron.site) 
>see also the Note in that help file.
>
>>
>>Andy
>>
>>>From: Andreas Zankl
>>>
>>>Thanks. Sys.putenv did work, however this has to be set every
>>>time I start R.
>>>
>>>gs is on my path and works fine under Unix, but I get the following
>>>error when running bitmap (without setting R_GSCMD first):
>>>
>>>/bin/sh: line 1: gs: command not found
>>>
>>>I assume the problem is related to the fact that I am using the csh
>>>shell, while the new Mac OS X default shell is now bash. So I guess
>>>my .csh path settings are ignored by R calling bash. I solved the
>>>problem by adding my R_GSCMD settings to the Renviron file
>>>(R_GSCMD=${RGSCMD-'/sw/bin/gs'} in my case). Hope this helps anyone
>>>with the same problem.
>>>
>>>Thanks again for your help!
>>>Andreas
>>>
>>>
>>>
>>>At 12:51 +0100 20.10.2005, Prof Brian Ripley wrote:
>>>>On Thu, 20 Oct 2005, Andreas Zankl wrote:
>>>>
>>>>>The help file of the R bitmap function says that I have to set the
>>>>>environment variable R_GSCMD to the path of my Ghostscript
>>>>>installation.
>>>>
>>>>Actually, it does not say that.  It says you _can_ specify the path
>>>>to your executable (not the installation) that way. It will work
>>>>without doing so if the executable 'gs' (on a Unix-alike) is on your
>>>>path, which it normally is on Unix-alikes.
>>>>
>>>>>How do I set this variable (either by commandline or in
>>>>>R.app for Mac)? Sorry if this sounds like a very basic question, but
>>>>>I could not find the answer anywhere else.
>>>>
>>>>?Sys.putenv for how to do it from R.  help.search("environment
>>>>variable") got me there.
>>>>
>>>>--
>>>>Brian D. Ripley,                  ripley at stats.ox.ac.uk
>>>>Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
>>>>University of Oxford,             Tel:  +44 1865 272861 (self)
>>>>1 South Parks Road,                     +44 1865 272866 (PA)
>>>>Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>>>
>>>
>>>--
>>>PLEASE NOTE MY NEW EMAIL ADDRESS: ANDREAS.ZANKL at GMAIL.COM
>>>
>>>--------------------------
>>>Andreas Zankl, MD
>>>Division of Molecular Pediatrics
>>>Clinique Infantile 02/50
>>>CHUV
>>>Avenue Pierre Decker 2
>>>CH-1011 Lausanne
>>>Switzerland
>>>Phone: +41-21-3143778
>>>Fax: +41-21-3143546
>>>Email: andreas.zankl at gmail.com
>>>
>>>______________________________________________
>>>R-help at stat.math.ethz.ch mailing list
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>>>PLEASE do read the posting guide!
>>>http://www.R-project.org/posting-guide.html
>>>
>>
>>
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>
>--
>Brian D. Ripley,                  ripley at stats.ox.ac.uk
>Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
>University of Oxford,             Tel:  +44 1865 272861 (self)
>1 South Parks Road,                     +44 1865 272866 (PA)
>Oxford OX1 3TG, UK                Fax:  +44 1865 272595