The following table shows the use of the substitute flag. The
    output file will contain the date and time that DSR processing of
    the file began.

    Input                  Output

    .FLAGS SUBSTITUTE
    $$Date                 10 November 1993
    $$Time                 10:55:00
    $$Year                 1993
    $$Month                November
    $$Day                  10
    $$Hours                10
    $$Minutes              55
    $$Seconds              00
    $$Month#$$Day,#$$Year  November 10, 1993