Added Commander::UI#speak

MacOS speech sythesis support via applescript

README.rdoc

@@ -20,6 +20,7 @@ features, and an elegant API.
 * Highly customizable progress bar with intuative, simple usage
 * Multi-word command name support such as 'drupal module install MOD', rather than 'drupal module_install MOD'
 * Sexy paging for long bodies of text
+* Support for MacOS text-to-speech
 * Command aliasing (very powerful, as both switches and arguments can be used)
 * Growl notification support for MacOS
 * Use the 'commander' executable to initialize a commander driven program
@@ -155,6 +156,11 @@ simplify common tasks using the following methods:
   end
   # $stdin / $stdout reset back to original streams
 
+  # Speech synthesis 
+  speak 'What is your favorite food? '
+  food = ask 'favorite food?: '
+  speak "wow, I like #{food} too. We have so much alike." 
+
 == Commander Goodies
 
 === Option Defaults

lib/commander/user_interaction.rb

@@ -55,6 +55,25 @@ def log action, *args
       say '%15s  %s' % [action, args.join(' ')]
     end
 
+    ##
+    # Speak +message+ using +voice+ which defaults
+    # to 'Alex', which is one of the better voices.
+    #
+    # === Examples
+    #    
+    #   speak 'What is your favorite food? '
+    #   food = ask 'favorite food?: '
+    #   speak "wow, I like #{food} too. We have so much alike." 
+    #
+    # === Notes
+    #
+    # * MacOS only
+    #
+
+    def speak message, voice = :Alex
+      Thread.new { `osascript -e 'say #{message.inspect} using #{voice.to_s.inspect}'` }
+    end
+
     ##
     # Normalize IO streams, allowing for redirection of
     # +input+ and/or +output+, for example: