require 'rubygems'require 'highline/import'def get_password(prompt='Password: ')  ask(prompt) { |q| q.echo = false}endget_password("What's your password? ")# What's your password?# => "buddy"#---def get_password(prompt='Password: ', mask='*')  ask(prompt) { |q| q.echo = mask }endget_password# Password: *****# => "buddy"get_password('Password: ', false)# Password:# => "buddy"#---