[ESS] feature request: look more places for R on windows

[Ross Boylan]

On 3/27/2013 5:30 PM, Ross Boylan wrote:
> I've installed R as a regular user on Windows 7.  I accepted the 
> default path of
> C:\Users\rdboylan\Documents\R\R-2.15.3\
> Apparently ESS doesn't look there, because it says it couldn't find an 
> installed version of R when it starts.  It would be nice if it checked 
> for regular user installations too.
>
> This is not a big deal for me since I have (setq 
> inferior-R-program-name 
> "C:/Users/rdboylan/Documents/R/R-2.15.3/bin/i386/Rterm.exe") in my 
> .emacs file.  So M-x R works fine.  But my solution is quite brittle, 
> because I have to remember to update it when I change my R version.
>
> Of course, I welcome suggestions for better approaches I could 
> implement.  I suppose I could find the code that currently searches 
> for R versions and adapt it to work for my directory.
>
> Thanks.
> Ross Boylan
BTW, the path is available in the registry at 
HKEY_CURRENT_USER\Software\R-core\R\2.15.3 under InstallPath.  There is 
also an entry that uses \R32\ instead of \R\ in the registry tree.