R/readkey.R

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#' Wait for a keypress
#' 
#' @section Changed Feb 23, 2015 by njf:
#' \code{prompt} may be set by a parameter rather than hard coding it.
#' 
#' 
#' @param prompt the text to display
#' 
#' @author \href{http://stackoverflow.com/users/2427707/nnn}{nnn}, 
#'   \href{http://stackoverflow.com/users/1095090/arulmr}{arulmr}, 
#'   Neal Fultz
#' @references \url{http://stackoverflow.com/questions/15272916/how-to-wait-for-a-keypress-in-r}
#' @export
readkey <- function(prompt="Press [enter] to continue") invisible(readline(prompt))