readline {base} | R Documentation |
Read a Line from the Terminal
Description
readline
reads a line from the terminal, returning it as a
character string.
Usage
readline(prompt="")
Arguments
prompt |
the string printed when prompting the user for input.
Should usually end with a space |
Examples
fun <- function() {
ANSWER <- readline("Are you a satisfied R user? ")
if (substr(ANSWER, 1, 1) == "n")
cat("This is impossible. YOU LIED!\n")
else
cat("I knew it.\n")
}
fun()