calendarappointment reminder system |
Command |
calendar [-]
calendar displays all current appointments
on the standard output. calendar searches the file
calendar in the current directory, looking for lines that match
either today's or tomorrow's date. On Friday, Saturday, or Sunday, tomorrow
extends through to Monday. Each appointment must fit on a single line, with the
date formatted as one of:
January 27 1/27 jan 27
The month name may be abbreviated to three letters; the case is not significant; the month can be given numerically.
-searches for a calendar file in each home directory found in the user
database. calendar sends mail to the corresponding
user for any appointments that are found to be current. Mail is sent using
the mailx utility or,
alternatively, the utility named in the MAILER
environment variable.
calendar file is
found in the current directory:
tue mar 7 1:00 pm dentist Sat April 8 Trip to the zoo mon april 10 3:30 pm job interview 4/11 vacation starts
calendar displays the following:
Sat April 8 Trip to the zoo mon april 10 3:30 pm job interview
MAILERcontains the name of the utility that calendar uses
to send mail. If this variable is not set, calendar
uses /bin/mail as the default mail utility.
calendarfile used in the current directory, or user's home directory.
0Successful completion.
1Failure due to any of the following:
MAILER environment variable is an extension to
traditional implementations of calendar.
mailx