function confirm (msg, callback) {
  var rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
  })

  rl.question(msg, function (input) {
    rl.close()
    callback(/^y|yes|ok|true$/i.test(input))
  })
}
function confirm (msg, callback) {
  var rl = readline.createInterface({
    input: process.stdin,
    output: process.stdout
  })

  rl.question(msg, function (input) {
    rl.close()
    callback(/^y|yes|ok|true$/i.test(input))
  })
}
function confirm ( msg , callback ) { var rl = readline . createInterface ( { input : process . stdin , output : process . stdout } ) rl . question ( msg , function ( input ) { rl . close ( ) callback ( / ^y|yes|ok|true$ / i . test ( input ) ) } ) }
Prompt for confirmation on STDOUT/STDIN
Prompt for confirmation on STDOUT / STDIN