creation of the data base for the format of daily dates
def_dailyform(y,m,d,dailysep)
* y = place of the year in the dates
* m = place of the month in the dates
* d = day of the year in the dates
* dailysep = separator between the day, month and year
* nothing: data are saved into the file SCI\macros\grocer\db\basets.dat