[R] #!/usr/bin/env Rscript --vanilla ??

[Feng Li]

I guess you may try this

http://modules.sourceforge.net/

I have seen a lot of clusters using this to manage software of different 
versions.


Feng

On 04/13/2012 10:32 AM, Martin Maechler wrote:
> I think that's my first true question (rather than answer)
> to R-help.
>
> As R has, for a long time, become my primary scripting and
> programming language, I'm prefering at times to write  Rscript
> files instead of shell scripts, notably when R has nice ways to
> do some of the things.
> On a standard standalone platform with standard R,
> I would start such a script with
> ---------------------------------------
> #! /usr/bin/Rscript --vanilla
> ---------------------------------------
> (yes, the "--vanilla" is important to me, in this case)
>
> However; as, at work, my scripts have to work correctly on quite a
> few different (unixy : several flavors of Linux, Solaris, MacOS X) platforms,
> *and* as an R developer, I have many different versions of R
> installed simultaneously, using /usr/bin/Rscript  is not an
> option.
> Rather, I'd use the /usr/bin/env trick :
>
> ---------------------------------------
> #! /usr/bin/env Rscript
> ---------------------------------------
>
> which finds Rscript in "the correct" place, according to the
> current PATH.  All fine till now.
>
> PROBLEM:  It does not work with '--vanilla' or any other argument:
>       If I start my script with	
> #! /usr/bin/env Rscript --vanilla
>       the error message simply is
> /usr/bin/env: Rscript --vanilla: No such file or directory
>
> I have tried a few variations on the theme, using quotes in
> different places, but have not succeeded till now.
> Any suggestions?
>
> Martin Maechler, ETH Zurich
>

-- 
Feng Li
Department of Statistics
Stockholm University
SE-106 91 Stockholm, Sweden
http://feng.li/