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.