def say_ok(*args)
      args.each do |arg|
        say HighLine.default_instance.color(arg, :green)
      end
    end
def say_ok(*args)
      args.each do |arg|
        say HighLine.default_instance.color(arg, :green)
      end
    end
'Say' something using the OK color (green).

 === Examples
   say_ok 'Everything is fine'
   say_ok 'It is ok', 'This is ok too'