hello_world.rb in rubikon-0.6.0

- old
+ new

@@ -1,11 +1,11 @@
 #!/usr/bin/env ruby
 #
 # This code is free software; you can redistribute it and/or modify it under
 # the terms of the new BSD License.
 #
-# Copyright (c) 2010, Sebastian Staudt
+# Copyright (c) 2010-2011, Sebastian Staudt
 
 if ENV['RUBIKON_DEV']
   require File.join(File.expand_path(File.dirname(__FILE__)), '..', '..', 'lib', 'rubikon')
 else
   require 'rubygems'
@@ -14,24 +14,28 @@
 
 # A relatively simple Hello World application using Rubikon
 class HelloWorld < Rubikon::Application::Base
 
   # Greet the whole world per default
-  flag :more
-  option :name, [:who]
-  option :names, -1
+  flag :more, 'Display more information while greeting'
+  option :name, 'A single name to greet', :who
+  option :names, 'One or more names to greet', :who => :remainder
+  option :special, 'A special name', :who => ['Guybrush', /LeChuck/, :numeric]
   default 'Simple hello world' do
     debug 'Starting to greet the world...'
     if given? :name
-      greet parameters[:name].who
+      names = [who]
     elsif given? :names
-      names.args.each do |name|
-        greet name
-      end
+      names = who
+    elsif given? :special
+      names = [who]
     else
-      greet 'World'
+      names = %w{World}
     end
+
+    names.each { |name| greet name }
+
     puts 'Nice to see you.' if given? :more
   end
 
   # Interactive mode
   #
@@ -40,10 +44,10 @@
     name = input 'Please enter your name'
     call :__default, '--name', name
   end
 
   # Show a progress bar while iterating through a loop
-  flag :brackets
+  flag :brackets, 'Show brackets around the progress bar'
   command :progress, 'Display a progress bar' do
     put 'Watch my progress while I greet the world: '
     x = 1000000
     progress_bar(:char => '+', :maximum => x, :size => 30, :brackets => brackets.given?, :bracket_filler => '-') do |progress|
       x.times do