blaa.command :tr do |translate|
        translate.flag :src, :default_value => nil, :arg_name => 'string', :desc => '3-letter ISO 693-3 source language code (Required)'
        translate.flag :tar, :default_value => nil, :arg_name => 'string', :desc => '3-letter ISO 693-3 source language code (Required)'
        translate.action do |global_options, options, args|
            if args.length > 1