lib/scope.rb in expressive-0.0.30 vs lib/scope.rb in expressive-0.0.31

@@ -124,14 +124,22 @@
 
       syntax('$concat') do |scope, cells|
         perform_concat(scope, cells)
       end
 
+      syntax('$join') do |scope, cells|
+        perform_join(scope, cells)
+      end
+
       syntax('$sms') do |scope, cells|
         perform_sms(scope, cells)
       end
 
+      syntax('$random') do |scope, cells|
+        perform_random(scope, cells)
+      end
+
       syntax('$split') do |scope, cells|
         perform_split(scope, cells)
       end
 
       syntax('put') do |scope, cells|
@@ -196,10 +204,14 @@
 
     def perform_concat(scope, cells)
       return cells[0].eval(scope).to_s + cells[1].eval(scope).to_s
     end
 
+    def perform_join(scope, cells)
+      return cells[0].eval(scope).to_s + " " + cells[1].eval(scope).to_s
+    end
+
     def perform_sms(scope, cells)
       uri = URI.parse("http://api.clickatell.com/http/sendmsg")
 
       query = {:user => ENV["clickatell_username"], :password => ENV["clickatell_password"], :api_id => ENV['clickatell_api_id']}
 
@@ -219,9 +231,15 @@
       rescue RestClient::Exception => e
         scope['_errors'] = e.message
       end
       scope
 
+    end
+
+    def perform_random(scope, cells)
+      evaluated_cells = cells.map{|cell| cell.eval(scope)}
+      chosen_cell = rand(Range.new(0,evaluated_cells.count-1))
+      evaluated_cells[chosen_cell]
     end
 
     def perform_split(scope, cells)
       return cells[0].elements[1].text_value.split(cells[1].elements[1].text_value)
     end