How to wait for a keypress in R ? - GeeksforGeeks

Last Updated : 17 Jun, 2021 Summarize Comments Improve R Programming language is robust and user-friendly, as it displays annotations and contexts for the desired input streams. We can pause the execution of a script and wait for the enter key to be pressed by the user into the console. This can be done using various standard methods in base R.Method 1 : Using readline() methodIn order to prompt to print on the console after the Enter key is pressed, we can use the readline() method in base R. The readline() method in R language reads a line from the terminal. The output is returned as a character vector of length one. The leading, as well as the trailing spaces, are stripped from the returned output.Syntax:readline(prompt = “”)prompt – the string displayed upon prompting the user for input. Mostly terminates with a ” ” (space) character.Example:R # read line readline(prompt="Press [enter] to proceed") OutputThe invisible method in R is used to return a (temporarily) invisible copy of...