Put this line in a file called test.R:
cat("command args are:\n"); print(commandArgs())and then call it like this from the shell or Windows cmd line assuming that Rscript is in your path: Rscript test.R abc def On Wed, Sep 9, 2009 at 2:37 PM, Abhishek Pratap <abhishek....@gmail.com> wrote: > Hi All > Thanks for the pointers. reading them I see that what I intend to can > certainly be done without much pain. However with my test scripts I am not > able to fully understand Rscript. The ?Rscript option doesnt print out a lot > to help me get the minute details. > > Any good example/s or some info on Rscript will help. > > Thanks, > -Abhi > > On Mon, Sep 7, 2009 at 2:37 PM, cls59 <ch...@sharpsteen.net> wrote: > >> >> >> Abhishek Pratap wrote: >> > >> > >> > 1. What's the best way to pass command line arguments to R scripts ? >> > >> > >> >> As Gabor mentioned, the commandArgs function and the getopt package provide >> some excellent starting points for this. >> >> >> >> Abhishek Pratap wrote: >> > >> > >> > 2. How to execute R scripts from command line ? When I use R CMD BATCH I >> > see >> > no output on the screen >> > >> > >> >> I believe R CMD BATCH dumps all of it's output to a file ending in .Rout. >> If >> you want more control over input and output to your script then Rscript is >> the utility to use. >> >> >> Abhishek Pratap wrote: >> > >> > >> > 3. What does R --slave --vanilla do ? >> > >> > >> >> If I recall correctly, --vanilla makes it so that R does not waste time >> trying to load a previously saved session and also makes it so that R does >> not try to save history and environment variables when it exits. Vanilla >> also disables the loading of options from profile files such as >> ~/.Rprofile. >> >> I think --slave makes R shut up about it's self and run more quietly than >> it >> normally does. >> >> Hope that helps! >> >> -Charlie >> >> ----- >> Charlie Sharpsteen >> Undergraduate >> Environmental Resources Engineering >> Humboldt State University >> -- >> View this message in context: >> http://www.nabble.com/Writing-R-Scripts-and-passing-command-line-arguments-tp25334067p25334648.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> R-help@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide >> http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
