R: Display a prompt and collect the user's response

ask {gtools} | R Documentation

## Display a prompt and collect the user's response

### Description

Display a prompt and collect the user's response

### Usage

    ask(msg = "Press <RETURN> to continue: ")

### Arguments

`msg` | Character vetor providing the message to be displayed

### Details

The prompt message will be displayed, and then `readLines` is used to collect a single input value (possibly empty), which is then returned.

### Value

A character scalar containing the input providede by the user.

### Author(s)

Gregory R. Warnes greg@warnes.net

### See Also

`readLines`, `scan`

### Examples

    # use default prompt
    ask()

    silly <- function()
    {
       age <- ask("How old aroe you? ")
       age <- as.numeric(age)
       cat("In 10 years you will be", age+10, "years old!\n")
    }

[Package gtools version 3.5.0 Index]