INITIAL ( INITIALIZE )       INITIAL pattern

    INITIAL { action }
    or
    INITIALIZE { action }

    The action(s) associated  with the INITIAL  ( INITIALIZE )  pattern are
    executed after each input file is opened and before the first record is
    read.  There  may be multiple

    INITIAL { action  }

    combinations.   Each action  is executed  in the  order in  which it is
    specified.