[R-SIG-Mac] R dock icon

[cgw at witthoft.com]

Hi, 

The problem is not with R but with an association file somewhere in the
operating system directories - probably in /Libraries, but I forget
where.  What this file does is 'remember' what filetypes are associated
with which applications.  If nobody beats me to it,  I'll try to dig
thru my memories (and AskDifferent, aka apple.stackexchange.com) for the
answer. 

Possible answer at
http://apple.stackexchange.com/questions/91522/change-file-association-in-terminal
  : look at ~/Library/Preferences/com.apple.LaunchServices.plist  

Carl 

Message: 1
Date: Mon, 4 Jul 2016 17:57:40 -0700
From: Audrey Julian <a.l.julian at gmail.com>
To: r-sig-mac at r-project.org
Subject: [R-SIG-Mac] R dock icon bug, OSX10.11.5, upgrade from
    incomplete uninstall of R3.2 to 3.3.1
Message-ID:
    <CA+FgvxpYEKBP2C0FVNy3X8d=rRqrE3EF5axh4aDHadQuB85OLA at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

Hi,

I ran into a situation where a complete deletion of all R resources
and a fresh install was needed with the upgrade to R 3.3.1. I've found
that despite following the manuals uninstall guidance, it appears
"something" R related is remaining somewhere on the hard drive. The
error presents if I right click the R icon from the Mac dock. The icon
is listing functions long since deleted from hard drive. This suggests
that the uninstall of R3.2 is perhaps incomplete. I can't tell if the
"something" extends a simple representation of old deleted files, or
perhaps there is something going on that's more significant. I've gone
down this path to clear up environment variable issues so I'm eager to
ensure I've removed .

Environment specs:
OSX 10.11.5
R3.3.1

Investigation steps taken: I've through the manuals, rseek.org
searches on this topic but haven't been able to find a solution. Also
pestered people in an R user group locally. 1 person confirmed they
see the same weird behavior on their machine. No details on their
specs however.
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