@ECHO OFF
REM  RUN as:  > OPTIC  Datafile  ext
REM  Datafile must have extension .DAT but omit this from RUN line.
REM  Extension ext is appended to LIST.ext and PLOT.ext.
REM  (Old versions of LIST.ext and PLOT.ext are deleted.  A good way
REM   to preserve and organize the output files is to progress ext
REM   through three-digit numbers, e.g., ext = 001, 002, 003, etc.)
DEL LIST.%2
DEL PLOT.%2
OPT364.EXE %1.DAT LIST.%2 PLOT.%2
OPLOT364.EXE PLOT.%2