[R] Using command line --file or -f

[David Winsemius]

On Aug 11, 2010, at 4:13 PM, Gene Leynes wrote:

> *What I want to do:
> *Create a windows shortcut that will start the R gui  **and**
> simultaneously source a file

Can't you set the file associations to start up RGUI when you launch  
an .R file?

>
> *What I have already tried:
> *This almost works, but it's not the interactive R GUI:
>     R --no-save --sdi -file="C:\SomePath\example.R"
> These open the R GUI, but doesn't recognize -f --f --file -file
>     RGUI --no-save --sdi -file="C:\SomePath\example.R"
>     RGUI --no-save --sdi -f "C:\SomePath\example.R"
>     I've thought about suppressing the error and then parsing
> commandArgs()...
>     Although this may be possible, it seems preposterously overly
> complicated.
>
> *My last resort:
> *   Having an entire installation of R with a "Rprofile.site" that  
> will
> source my program.  The whole installation would be devoted to just  
> running
> that one program.  I think it will work, but it's an annoying waste of
> space, and confusing to have multiple R installation.

Isn't there a Google Code project that handles windoze stuff like this?

http://code.google.com/p/batchfiles/

RGuiStart.bat   # perhaps?

Cannot test because I haven't used R on PC's for the last two years.

>
>
> Thank you very much!
>
>
> What I'm using:
>   Right now, R 2.10 on Windows 7, but I'm happy to use any version.   
> My
> intended audience will be using Windows 7
>
> I've spent a fair amount of time searching the online help using my  
> favorite
> help sites:
> http://r-project.markmail.org/
> http://r.789695.n4.nabble.com/R-help-f789696.html
>
> I've also looked at the PDFs that come with r, especially the R- 
> intro (which
> is where I got the --f and --file ideas).
>
> Sometimes I see help responses that just point to the chapter of a  
> book, or
> a PDF on Cran.  I would be delighted to discover my own answer in the
> available materials, but please give some hint about why the cited  
> material
> is relevant!
>

-- 

David Winsemius, MD
West Hartford, CT