calendar(1)                                                        calendar(1)


NAME
     calendar - reminder service

SYNOPSIS
     calendar [ - ]

DESCRIPTION
     calendar consults the file calendar in the current directory and prints
     out lines that contain today's or tomorrow's date anywhere in the line.
     Most reasonable month-day dates such as Aug.  24, august 24, 8/24, and so
     on, are recognized, but not 24 August or 24/8.  On weekends ``tomorrow''
     extends through Monday.  calendar can be invoked regularly by using the
     crontab(1) or at(1) commands.

     When an argument is present, calendar does its job for every user who has
     a file calendar in his or her login directory and sends them any positive
     results by mail(1).  If a argument is not present, calendar will display
     the current information in the calendar file or if the calendar file
     doesn't exist will display a message that the calendar file cannot be
     found.  Normally this is done daily by facilities in the UNIX operating
     system (see cron(1M)).

     If the environment variable DATEMSK is set, calendar will use its value
     as the full pathname of a template file containing format strings.  The
     strings consist of field descriptors and text characters and are used to
     provide a richer set of allowable date formats in different languages by
     appropriate settings of the environment variable LANG or LC_TIME (see
     environ(5)).  (See date(1) for the allowable list of field descriptors.)

EXAMPLES
     The following example shows the possible contents of a template:

          %B %eth of the year %Y

     %B represents the full month name, %e the day of month and %Y the year (4
     digits).

     If DATEMSK is set to this template, the following calendar file would be
     valid:

          March 7th of the year 1989 < Reminder>

FILES
     /usr/lib/calprog    program used to figure out today's and tomorrow's
                         dates
     /etc/passwd
     /tmp/cal*

SEE ALSO
     at(1), cron(1M), crontab(1), date(1), mail(1), environ(5).


NOTES
     Appropriate lines beginning with white space will not be printed.
     Your calendar must be public information for you to get reminder service.
     calendar's extended idea of ``tomorrow'' does not account for holidays.


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