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To execute a system command from within an R script, just use system(). This is handy for zipping large output files on the fly.write.csv(mydat, "mydat.csv")system("gzip mydat.csv", wait=FALSE)
When you have multiple computers or processors at your disposal and wish to run the same script with different arguments, use the following at the command line (here described for Linux; remove the linebreak, it is just there for display purposes):$ R ...