Add sample script and extracted common code

bin/example.rb

@@ -0,0 +1,40 @@
+#!/usr/bin/env ruby
+
+require_relative "./client"
+
+pipeline = PipelineClient.new
+
+puts "Sample for ruby:two-fer"
+
+action = ARGV[0]
+lang = "ruby"
+exercise_slug = "two-fer"
+solution_slug = "soln-demo"
+
+source = ARGV[1] || "s3://exercism-iterations/production/iterations/1182520"
+
+r = case action
+when "test"
+  pipeline.test_run(lang, exercise_slug, solution_slug, source)
+when "analyze"
+  pipeline.analyze(lang, exercise_slug, solution_slug, source)
+when "represent"
+  pipeline.represent(lang, exercise_slug, solution_slug, source)
+else
+  raise "Command #{action} unknown.\n Usage: ./example.rb test|analyze|represent [s3_url]"
+end
+
+pipeline.close_socket
+
+puts " === Complete ==="
+
+
+if r["logs"]
+  r["logs"].each do |log_line|
+    puts "+ #{log_line["cmd"]}"
+    puts log_line["stdout"]
+    puts log_line["stderr"]
+  end
+end
+
+puts r["result"]

bin/invoke3.rb

@@ -4,11 +4,13 @@ require_relative "./client"
 
 pipeline = PipelineClient.new
 
+
 # return
 lang = ARGV[0] || "ruby"
-lang = "ruby"
+lang = ARGV[1] || "ruby"
 
-r = pipeline.represent(lang, "two-fer", "soln-42", "s3://exercism-dev/iterations/fff07700-e1c3-402d-8937-823aeefb159f")
+r = pipeline.represent(lang, "two-fer", "soln-42",
+  "s3://exercism-iterations/production/iterations/1182520")
 # puts r
 if r["logs"]
   r["logs"].each do |log_line|