Using previous version of R as the default version

Hi Simon & Eric,

Thanks for the pointer on RSwitch, it works nicely on Leopard.

However on Snow Leopard, I can't find the /Library/Receipts/R.framework.pkg
to delete before installing R 2.10 as a result, I think, RSwitch is only
showing 2.10 and not 2.9.

I am using the 32Bit Legacy universal binary.

How can I fix this?
Thanks for the help
Raktim


-----Original Message-----
From: Simon Urbanek [mailto:simon.urbanek at r-project.org] 
Sent: Wednesday, January 20, 2010 7:53 PM
To: Raktim Sinha
Cc: r-sig-mac at stat.math.ethz.ch
Subject: Re: [R-SIG-Mac] Using previous version of R as the default version

Hello,



I am running Mac OS X 10.6.

I had R 2.9 and recently updated to 2.10.

When I start R it defaults to v 2.10.



I can launch R 2.9 with an absolute path:

/Library/Frameworks/R.framework/Versions/2.9/Resources/R



But is there a way to launch the previous version, 2.9, or the latest
version as the default version by running a script ?

If so how should I go about writing such a script? What all links needs to
be updated?

See R for Mac FAQ 12.15 
http://cran.r-project.org/bin/macosx/RMacOSX-FAQ.html

Cheers,
Simon

I would appreciate some suggestions.

Thanks,

Raktim



Bioinformatics Engineer

DFCI, Harvard Med School

Boston




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