Specifies whether an exceptions file (file type .EXC) is to be
    generated during the conversion.
    Format
      /EXCEPTIONS_FILE  [=filespec]
      /NOEXCEPTIONS_FILE  (DEFAULT)
    Specifies the file in which the exception records are returned.
    If you specify /EXCEPTIONS_FILE but omit the filespec parameter,
    the exception records are displayed on the SYS$OUTPUT device.