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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))
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