module Mixlib::CLI::ClassMethods

def banner(bstring = nil)

@banner:: The current banner
=== Returns

bstring:: The string to set the banner to
=== Parameters

Usage: #{0} (options)
Change the banner. Defaults to: 
def banner(bstring = nil)
  if bstring
    @banner = bstring
  else
    @banner ||= "Usage: #{$0} (options)"
    @banner
  end
end