CALENDAR(1) BSD Reference Manual CALENDAR(1)
calendar - reminder service
calendar [-ab] [-A num] [-B num] [-f calendarfile] [-t [[[cc]yy][mm]]dd]
The calendar utility checks the current directory or the directory speci- fied by the CALENDAR_DIR environment variable for a file named calendar and displays lines that begin with either today's date or tomorrow's. On Fridays, events on Friday through Monday are displayed. The options are as follows: -A num Print lines from today and 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 previous num days (backward, past). -b Enforce special date calculation mode for KOI8 calendars. -f calendarfile Use calendarfile as the default calendar file. -t [[[cc]yy][mm]]dd Act like the specified value is "today" instead of using the current date. To handle calendars in your national code table you can specify "LANG=<locale_name>" in the calendar file as early as possible. To handle national Easter names in the calendars, "Easter=<national_name>" (for Catholic Easter) or "Paskha=<national_name>" (for Orthodox Easter) can be used. The "CALENDAR" variable can be used to specify the style. Only 'Julian' and 'Gregorian' styles are currently supported. Use "CALENDAR=" to return to the default (Gregorian). To enforce special date calculation mode for Cyrillic calendars you should specify "LANG=<local_name>" and "BODUN=<bodun_prefix>" where <local_name> can be ru_RU.KOI8-R, uk_UA.KOI8-U or by_BY.KOI8-B. Other lines should begin with a month and day. They may be entered in al- most any format, either numeric or as character strings. If proper locale is set, national months and weekdays names can be used. On OpenBSD and MirOS, support for locales is non-existent. 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 followed by the day. Lines with leading tabs default to the last entered date, allowing multiple line specifications for a single date. "Easter" (may be followed by a positive or negative integer) is Easter for this year. "Paskha" (may be followed by a positive or nega- tive integer) is Orthodox Easter for this year. Weekdays may be followed by "-4" ... "+5" (aliases 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 <tab> character in the line; if the line does not contain a <tab> character, it isn't printed out. If the first character in the line is a <tab> character, it is treated as the continuation of the previous description. The calendar file is preprocessed by cpp(1), allowing the inclusion of shared files such as 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 (a \t sequence denotes a <tab> character): LANG=C Easter=Ostern #include <calendar.usholiday> #include <calendar.birthday> 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
calendar File in current directory. ~/.etc/calendar Directory in the user's home directory (which calendar changes into, if it exists). ~/.etc/calendar/calendar File to use if no calendar file exists in the current directory. ~/.etc/calendar/nomail calendar will not send mail if this file ex- ists. calendar.all International and national calendar files. calendar.birthday Births and deaths of famous (and not-so-famous) people. calendar.christian Christian holidays (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 peo- ple. calendar.croatian Croatian calendar. calendar.fictional Fantasy and fiction dates (mostly LOTR). calendar.french French calendar. calendar.german German calendar. 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 (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.openbsd OpenBSD and MirOS related events. calendar.pagan Pagan holidays, celebrations and festivals. calendar.russian Russian calendar. calendar.usholiday U.S. holidays. calendar.world World wide calendar.
at(1), cal(1), cpp(1), mail(1), cron(8)
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.
A calendar command appeared in Version 7 AT&T UNIX. Since MirOS #10, if the UNICODE variable is set during compilation, iconv(3) is used to convert any input to OPTU-8 output.
calendar doesn't handle all Jewish holidays or moon phases. MirOS BSD #10-current November 17, 2006 2
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