Running R function as command line script with arguments

Question

Lets say I have the following script

k <- as.numeric(readline("Start Index: "))
tot <- NULL

for (i in 1:k){
    tot <- c(tot, i)
}
write.csv(tot, "test.csv")

I would like to run this script from the command line. How can I run it so that it still asks for the user input (k). Or otherwise can I add the value of k in the CMD command as argument? I am on Linux.

couple of these floating around link, link, link, link, link — GSee
– GSee, Commented Jun 22, 2012 at 21:59

Dason · Accepted Answer · 2012-06-23 16:25:39Z

1

You might find the information in ?commandArgs helpful.

From the description:

 Provides access to a copy of the command line arguments supplied
 when this R session was invoked.

edited Jun 23, 2012 at 16:25

Dason

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answered Jun 22, 2012 at 21:29

Matthew Plourde

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