[R] set up directory for R when I start R

[Duncan Murdoch]

On 12/11/2006 2:21 PM, Earl F. Glynn wrote:
> "Dieter Menne" <dieter.menne at menne-biomed.de> wrote in message 
> news:loom.20061210T115836-859 at post.gmane.org...
>> Aimin Yan <aiminy <at> iastate.edu> writes:
>>
>>>
>>> I want to set default directory for R when I start R.
>>> How to do this?
>>>
>> ?setwd
>>
>> In Windows, I prefer the method described in
>>
>> http://tolstoy.newcastle.edu.au/R/help/00b/2454.html
> 
> I learned a similar trick by using Regedit to set the registry keys 
> directly.  (Years ago someone showed me this trick to start a DOS session). 
> Apparently, either "\Directory\shell" or "\Folder\shell" do the same thing. 
> Do you know if there is a difference?

Folders are shell objects, directories are file system objects. 
Normally the file system is mapped to folders, but there are other 
folders too, e.g. the network neighbourhood, printers, etc.

Duncan Murdoch

> 
> I checked and your suggestion can be modified to even specify a http_proxy, 
> if needed:
> 
> For example, this works for me under Windows XP, including the proxy server, 
> from any directory chosen using Windows Explorer:
> 
> ------------
> Windows Registry Editor Version 5.00
> 
> [HKEY_CLASSES_ROOT\Folder\shell\R\command]
> @="C:\\Program Files\\R\\R-2.4.0\\bin\\Rgui.exe 
> http_proxy=http://proxy01:8080 http_proxy_user=ask"
> -----------
> 
> The above was the exported registry key from what I set manually using 
> RegEdit. I used simply "R" instead of "Run R", like you suggested.
> 
> 
> efg
> 
> Earl F. Glynn
> Bioinformatics
> Stowers Institute for Medical Research
> 
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