Run R script from command line

Question

I have a file, called a.r, it has a chmod of 755,

sayHello <- function(){
   print(\'hello\')
}

sayHello()

Ho

Answer 1

One more way of running an R script from the command line would be:

R < scriptName.R --no-save  

or with --save.

See also What's the best way to use R scripts on the command line (terminal)?.