InfoPath Dev

ok, big thanks. But what if i have a Repeating table with a variant number of fields? Also how ist the "and" Keyword getting into this ?

Hi Everyone,  i need to find a solution to concat fields of an repeating table to have them comma separated (not behind the last one) and before the last item it should instert an "and" word. So if i got my table: Text1 Text2 Text3 it should calculate the following : Text1, Text2 and Text3 Is there any chance to ...