class Net::SSH::Prompt::Prompter

def ask(prompt, echo = true)

(like user and password) in a single session.
ask input from user, a prompter might ask for multiple inputs
def ask(prompt, echo = true)
  $stdout.print(prompt)
  $stdout.flush
  ret = $stdin.noecho(&:gets).chomp
  $stdout.print("\n")
  ret
end