ask.user.yn.question.Rd

% Generated by roxygen2 (4.0.2): do not edit by hand
\name{ask.user.yn.question}
\alias{ask.user.yn.question}
\title{Asks the user for one yes/no question.}
\usage{
ask.user.yn.question(question, use_GUI = TRUE, add_lines_before = TRUE)
}
\arguments{
  \item{question}{a character string with a question to the
  user.}

  \item{use_GUI}{a logical indicating whether a graphics
  menu should be used if available.  If TRUE, and on
  Windows, it will use \link{winDialog}, otherwise it will
  use \link[utils]{menu}.}

  \item{add_lines_before}{if to add a line before asking
  the question.  Default is TRUE.}
}
\value{
TRUE/FALSE - if the user answeres yes or no.
}
\description{
Asks the user for one yes/no question.  If the users
replies with a "yes" (or Y, or y) the function returns
TRUE.  Otherwise, FALSE. (also exists as the function
devtools::yesno)
}
\examples{
\dontrun{
ask.user.yn.question("Do you love R?")
ask.user.yn.question(question = "Do you love R?", use_GUI = TRUE) # the same one as before
ask.user.yn.question(question = "Do you love R?", use_GUI = FALSE)
# reverts to command line questions

ask.user.yn.question("Lorem ipsum dolor sit amet, consectetur adipisicing elit,
sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation

  ullamco laboris nisi ut aliquip
  ex ea commodo consequat. Do \\n you \\n love R?")
   # checking how it deals with multi lines, and a lot of text (very good actually)

}
}
\references{
\url{http://stackoverflow.com/questions/15250487/how-to-add-a-menu-item-to-rgui}
(my thanks goes to Dason for his answer and help)
}
\seealso{
\link[utils]{menu}, (yesno in the package {devtools})
}