Class: Zt::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/zt/cli.rb

Class Method Summary collapse

Class Method Details

.execute(stdout, arguments = []) ⇒ Object 



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# File 'lib/zt/cli.rb', line 5

def self.execute(stdout, arguments=[])

  # NOTE: the option -p/--path= is given as an example, and should be replaced in your application.

  options = {
    :path     => '~'
  }
  mandatory_options = %w(  )

  parser = OptionParser.new do |opts|
    opts.banner = <<-BANNER.gsub(/^          /,'')
      This application is wonderful because...

      Usage: #{File.basename($0)} [options]

      Options are:
    BANNER
    opts.separator ""
    opts.on("-p", "--path PATH", String,
            "This is a sample message.",
            "For multiple lines, add more strings.",
            "Default: ~") { |arg| options[:path] = arg }
    opts.on("-h", "--help",
            "Show this help message.") { stdout.puts opts; exit }
    opts.parse!(arguments)

    if mandatory_options && mandatory_options.find { |option| options[option.to_sym].nil? }
      stdout.puts opts; exit
    end
  end

  path = options[:path]

  # do stuff
  stdout.puts "To update this executable, look in lib/zt/cli.rb"
end