Syntax calendar [-a] [-A num] [-B num] [-F friday] [-f calendarfile] [-t dd[.mm[.year]]] [-W num] Key -A num Print lines from today and the next num days (forward, future). -a Process the calendar files of all users and mail the results to them. This requires superuser privileges. -B num Print lines from today and the previous num days. -F friday Specify which day of the week is Friday (the day before the weekend begins). Default is 5. -f calendarfile Use calendarfile as the default calendar file. -t dd[.mm[.year]] For test purposes only: set date directly to argument values. -W num Print lines from today and the next num days. Ignore weekends when calculating the number of days.
To handle calendars in your national code table you can specify ``LANG=
(for Catholic Easter) or ``Paskha=
Other lines should begin with a month and day. They may be entered in almost any format, either numeric or as character strings. If the proper locale is set, national month and weekday names can be used. A single asterisk (``*'') matches every month. A day without a month matches that day of every week. A month without a day matches the first of that month. Two numbers default to the month fol-lowed followed by the day. Lines with leading tabs default to the last entered date, allowing multiple line specifications for a single date.
`Easter', is Easter for this year, and may be followed by a positive or negative integer.
`Paskha', is Orthodox Easter for this year, and may be followed by a positive or negative integer.
Weekdays may be followed by ``-4'' ... ``+5'' (aliases for last, first, second, third, fourth) for moving events like ``the last Monday in April''.
By convention, dates followed by an asterisk are not fixed, i.e., change from year to year.
Day descriptions start after the first
The `calendar' file is preprocessed by cpp(1), allowing the inclusion of shared files such as lists of company holidays or meetings. If the shared file is not referenced by a full pathname, cpp(1) searches in the current (or home) directory first, and then in the directory /usr/share/calendar.
Empty lines and lines protected by the C commenting syntax (/* ... */) are ignored.
Some possible calendar entries (
LANG=C Easter=Ostern #include
#include 6/15\tJune 15 (if ambiguous, will default to month/day). Jun. 15\tJune 15. 15 June\tJune 15. Thursday\tEvery Thursday. June\tEvery June 1st. 15 *\t15th of every month. May Sun+2\tsecond Sunday in May (Muttertag) 04/SunLast\tlast Sunday in April, \tsummer time in Europe Easter\tEaster Ostern-2\tGood Friday (2 days before Easter) Paskha\tOrthodox Easter FILES calendar file in current directory ~/.calendar calendar HOME directory. A chdir is done into this directory if it exists. ~/.calendar/calendar calendar file to use if no calendar file exists in the current directory. ~/.calendar/nomail do not send mail if this file exists.
The following default calendar files are provided:
calendar.all File which includes all the default files. calendar.australia Calendar of events in Australia. calendar.birthday Births and deaths of famous (and not-so-famous) people. calendar.christian Christian holidays. This calendar should be updated yearly by the local system administrator so that roving holidays are set correctly for the current year. calendar.computer Days of special significance to computer people. calendar.croatian Calendar of events in Croatia. calendar.freebsd Birthdays of FreeBSD committers. calendar.french Calendar of events in France. calendar.german Calendar of events in Germany. calendar.history Everything else, mostly U.S. historical events. calendar.holiday Other holidays, including the not-well-known, obscure, and really obscure. calendar.judaic Jewish holidays. This calendar should be updated yearly by the local system administrator so that roving holidays are set correctly for the current year. calendar.music Musical events, births, and deaths. Strongly oriented toward rock 'n' roll. calendar.newzealand Calendar of events in New Zealand. calendar.russian Russian calendar. calendar.southafrica Calendar of events in South Africa. calendar.usholiday U.S. holidays. This calendar should be updated yearly by the local system admin-istrator administrator istrator so that roving holidays are set correctly for the current year. calendar.world Includes all calendar files except for national files. COMPATIBILITY The calendar program previously selected lines which had the correct date anywhere in the line. This is no longer true, the date is only recognized when it occurs at the beginning of a line. The calendar utility does not handle Jewish holidays and moon phases.
“Carpe Diem - Seize the day” ~ Horace
calendar man page - Apple.com
cal - Display a calendar
at(1), cpp(1), mail(1), cron
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