ask.user.yn.question.Rd

% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/updateR.R
\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, GUI = TRUE, add_lines_before = TRUE)
}
\arguments{
\item{question}{a character string with a question to the user.}

\item{GUI}{a logical indicating whether a graphics menu should be used if available.  If TRUE, and on Windows, it will use 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 answers 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?", GUI = TRUE) # the same one as before
ask.user.yn.question(question = "Do you love R?", 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{https://stackoverflow.com/questions/15250487/how-to-add-a-menu-item-to-rgui} 
(my thanks goes to Dason for his answer and help)
}
\seealso{
menu in the {utils} package, yesno in the {devtools} package.
}