Move the filepointer to the last record
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 Syntax

        GT_GoBottom([<bWhile>],[<bFor>],[<bFind>]) -> NIL

 Arguments:

      <bWhile> Code block giving a while clause.

      <bFor> Code block giving a for clause.

      <bFind> Code block giving a value to compare against
      the index. Acts as a form of while clause.

 Returns:

      NIL

 Description:

      Reposition the filepointer to the last record given
      a for/while clause.

 Examples:

 Source: GT_GOBOT.PRG

 Author:  Martin Bryant