[R-SIG-Mac] similar problems installing Rcmdr with R.

Rodney Sparapani rsparapa at mcw.edu
Tue Sep 24 20:43:21 CEST 2013

On 09/24/2013 01:34 PM, John Fox wrote:
> Just to be clear:
> 	sudo chmod a+rx/usr/local/*
> didn't work, but
> 	sudo zsh
> 	chmod -R 755 /usr/local
> did work?
> Frankly, I don't get that, since the first command should insure that
> everyone has (at least) read and execute permission (i.e., level 5).
> I think that I'll add a trouble-shooting section to the Rcmdr Mac
> installation notes, but I would like to understand why one approach worked
> here and not the other.
> Best,
>   John

Hi John:

That makes sense.  sudo chmod a+rx /usr/local/* does not descend into
the subdirectories.  To make that work, you need
sudo chmod -R a+rx /usr/local

Rodney Sparapani, PhD
Manager of Statistical & Computational Operations
Center for Patient Care and Outcomes Research (PCOR)
Medical College of Wisconsin (MCW), Milwaukee, USA

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