ISDAY.COM

ISDAY is a small program to use if you want some program to run only
on specific days.

Format : ISDAY [/Nmday] [/Dday] [/Mmonth] [/H]

mday  = day of the month,  1 to 31
day   = day in the week,   0=sunday .. 6=saturday
month = month in the year, 1=january .. 12=december
All parameters are anded.

Each parameter can be specified as a value, or as an interval
like "1,3,12-22", that is the first, third and 12th to 22nd

ISDAY exits with ERRORLEVEL 0 if parameters match else with ERRORLEVEL 1

Example :

ISDAY /D0-2
IF ERRORLEVEL 1 GOTO LABEL
PROGRAM TO RUN ON SUNDAYS, MONDAYS and TUESDAYS
:LABEL
...







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