[lloydh@LloydBookPro bpsdk] $ bin/ServiceRunner samples/RubyService
service initialized: HelloRuby v1.0.0
> help
Available commands:
  allocate [0 args]: Allocate a new service instance....
  describe [0 args]: Extract and display the API description of the ser...
  destroy [1 arg]: Destroy a service instance, the single required pa...
  help [0-1 args]: Displays command usage.  help <command> gives more...
  invoke [1-2 args]: Invoke a function on a service instance.  First ar...
  prompts [0 args]: Show the outstanding user prompts that have been s...
  quit [0 args]: Quit the program...
  respond [1-2 args]: Respond to a prompt from the service.  The first a...
  select [1 arg]: Select the current instance, this is a numeric id ...
  show [0 args]: Show the currently allocated service instances....
> desc
Describing corelet 'HelloRuby', version: 1.0.0
   A service that tests callbacks from ruby.

1 function(s) supported:
   howdy:
      Say "hello" to the world

         callback callback
            the callback to send a hello message to
> a
allocated: 1
> i howdy
callback argument 1 invoked: 
"howdy there, for the 0th time"
callback argument 1 invoked: 
"howdy there, for the 1th time"
callback argument 1 invoked: 
"howdy there, for the 2th time"
callback argument 1 invoked: 
"howdy there, for the 3th time"
callback argument 1 invoked: 
"howdy there, for the 4th time"
callback argument 1 invoked: 
"howdy there, for the 5th time"
callback argument 1 invoked: 
"howdy there, for the 6th time"
callback argument 1 invoked: 
"howdy there, for the 7th time"
callback argument 1 invoked: 
"howdy there, for the 8th time"
callback argument 1 invoked: 
"howdy there, for the 9th time"
callback argument 1 invoked: 
"howdy there, for the 10th time"
"Hello world from my great corelet instance!"
>