lib/X12/Loop.rb in X12-0.0.5 vs lib/X12/Loop.rb in X12-0.1.0

@@ -21,11 +21,11 @@
 #     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 #++
 #
 module X12
 
-  # $Id: Loop.rb 35 2008-11-13 18:33:44Z ikk $
+  # $Id: Loop.rb 59 2009-03-19 22:32:13Z ikk $
   #
   # Implements nested loops of segments
 
   class Loop < Base
 
@@ -61,14 +61,18 @@
       return s
     end # parse
 
     # Render all components of this loop as string suitable for EDI
     def render
-      self.to_a.inject(''){|loop_str, i|
-        loop_str += i.nodes.inject(''){|nodes_str, j|
-          nodes_str += j.render
-        } 
-      }
+      if self.has_content?
+        self.to_a.inject(''){|loop_str, i|
+          loop_str += i.nodes.inject(''){|nodes_str, j|
+            nodes_str += j.render
+          } 
+        }
+      else
+        ''
+      end
     end # render
 
   end # Loop
 end # X12