lib/clamp/parameter/parsing.rb in clamp-0.3.1 vs lib/clamp/parameter/parsing.rb in clamp-0.4.0

@@ -16,9 +16,21 @@
           end
         end
 
       end
 
+      def parse_environment_parameters
+
+        self.class.parameters.each do |parameter|
+          next if parameter.environment_variable.nil?
+          next unless ENV.has_key?(parameter.environment_variable)
+          # Set the parameter value if it's environment variable is present
+          value = ENV[parameter.environment_variable]
+          send("#{parameter.attribute_name}=", value)
+        end
+
+      end
+
     end
 
   end
 end