    # File lib/vmail/send_options.rb, line 6
        def parse(argv)
          OptionParser.new do |opts|
            opts.banner = "Usage:  vmailsend"
            opts.separator ""
            opts.separator "Specific options:"
            opts.on("-c", "--config path", String, "Path to config file") do |config_file|
              @config_file = config_file
            end
            opts.on("-v", "--version", "Show version (identical to vmail version)") do
              require 'vmail/version'
              puts "vmail #{Vmail::VERSION}\nCopyright 2010 Daniel Choi under the MIT license"
              exit
            end
            opts.on("-h", "--help", "Show this message") do
              puts opts
              exit
            end
            opts.separator ""
            opts.separator INSTRUCTIONS

            begin
              opts.parse!(argv)
              if @config_file && File.exists?(@config_file)
                puts "Using config file #{@config_file}"
              else
                puts "\nMissing config file! \n\n\#{INSTRUCTIONS}\n"
                exit(1)
              end

              @config = YAML::load(File.read(@config_file))
              if @config['password'].nil?
                @config['password'] = ask("Enter gmail password (won't be visible & won't be persisted):") {|q| q.echo = false}
              end

            rescue OptionParser::ParseError => e
              STDERR.puts e.message, "\n", opts
            end

          end
        end