Annotation of src/usr.bin/calendar/calendar.1, Revision 1.38
1.38 ! schwarze 1: .\" $OpenBSD: calendar.1,v 1.37 2015/09/14 18:17:42 schwarze Exp $
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1.3 millert 30: .\" @(#)calendar.1 8.1 (Berkeley) 6/29/93
1.1 deraadt 31: .\"
1.38 ! schwarze 32: .Dd $Mdocdate: September 14 2015 $
1.1 deraadt 33: .Dt CALENDAR 1
34: .Os
35: .Sh NAME
36: .Nm calendar
37: .Nd reminder service
38: .Sh SYNOPSIS
1.10 aaron 39: .Nm calendar
1.24 jmc 40: .Op Fl ab
1.3 millert 41: .Op Fl A Ar num
42: .Op Fl B Ar num
1.15 mickey 43: .Op Fl f Ar calendarfile
1.38 ! schwarze 44: .Op Fl t Oo Oo Oo Ar cc Oc Ns Ar yy Oc Ns Ar mm Oc Ns Ar dd
1.1 deraadt 45: .Sh DESCRIPTION
1.3 millert 46: The
1.9 pjanzen 47: .Nm
1.1 deraadt 48: utility checks the current directory or the directory specified by the
1.5 aaron 49: .Ev CALENDAR_DIR
1.1 deraadt 50: environment variable for a file named
51: .Pa calendar
52: and displays lines that begin with either today's date
53: or tomorrow's.
54: On Fridays, events on Friday through Monday are displayed.
55: .Pp
1.12 aaron 56: The options are as follows:
1.1 deraadt 57: .Bl -tag -width Ds
1.25 jmc 58: .It Fl A Ar num
59: Print lines from today and next
60: .Ar num
61: days (forward, future).
1.1 deraadt 62: .It Fl a
1.9 pjanzen 63: Process the
64: .Dq calendar
65: files of all users and mail the results
1.1 deraadt 66: to them.
1.14 aaron 67: This requires superuser privileges.
1.3 millert 68: .It Fl B Ar num
1.5 aaron 69: Print lines from today and previous
1.3 millert 70: .Ar num
1.5 aaron 71: days (backward, past).
1.25 jmc 72: .It Fl b
73: Enforce special date calculation mode for KOI8 calendars.
1.37 schwarze 74: .It Fl f Ar calendarfile
1.5 aaron 75: Use
1.37 schwarze 76: .Ar calendarfile
1.5 aaron 77: as the default calendar file.
1.38 ! schwarze 78: .It Fl t Oo Oo Oo Ar cc Oc Ns Ar yy Oc Ns Ar mm Oc Ns Ar dd
1.9 pjanzen 79: Act like the specified value is
80: .Dq today
81: instead of using the current date.
1.35 jmc 82: If yy is specified, but cc is not,
83: a value for yy between 69 and 99 results in a cc value of 19.
84: Otherwise, a cc value of 20 is used.
1.1 deraadt 85: .El
86: .Pp
1.3 millert 87: To handle calendars in your national code table you can specify
88: .Dq LANG=<locale_name>
1.13 aaron 89: in the calendar file as early as possible.
90: To handle national Easter names in the calendars,
1.3 millert 91: .Dq Easter=<national_name>
92: (for Catholic Easter) or
93: .Dq Paskha=<national_name>
94: (for Orthodox Easter) can be used.
1.26 mickey 95: .Pp
1.27 jmc 96: The
1.26 mickey 97: .Dq CALENDAR
98: variable can be used to specify the style.
99: Only
100: .Sq Julian
101: and
102: .Sq Gregorian
103: styles are currently supported.
104: Use
105: .Dq CALENDAR=
106: to return to the default (Gregorian).
1.16 mickey 107: .Pp
108: To enforce special date calculation mode for Cyrillic calendars
109: you should specify
110: .Dq LANG=<local_name>
111: and
1.17 mickey 112: .Dq BODUN=<bodun_prefix>
113: where <local_name> can be ru_RU.KOI8-R, uk_UA.KOI8-U or by_BY.KOI8-B.
1.3 millert 114: .Pp
115: Other lines should begin with a month and day.
1.1 deraadt 116: They may be entered in almost any format, either numeric or as character
117: strings.
1.3 millert 118: If proper locale is set, national months and weekdays
119: names can be used.
1.5 aaron 120: A single asterisk (`*') matches every month.
1.1 deraadt 121: A day without a month matches that day of every week.
122: A month without a day matches the first of that month.
123: Two numbers default to the month followed by the day.
124: Lines with leading tabs default to the last entered date, allowing
125: multiple line specifications for a single date.
1.9 pjanzen 126: .Dq Easter
127: (may be followed by a positive or negative integer) is Easter for this year.
128: .Dq Paskha
129: (may be followed by a positive or negative integer) is
1.3 millert 130: Orthodox Easter for this year.
1.9 pjanzen 131: Weekdays may be followed by
132: .Dq -4
133: .Li ...
134: .Dq +5
135: (aliases last, first, second, third, fourth) for moving events like
136: .Dq the last Monday in April .
1.3 millert 137: .Pp
1.5 aaron 138: By convention, dates followed by an asterisk
139: .Pq Sq *
140: are not fixed, i.e., change
1.1 deraadt 141: from year to year.
142: .Pp
1.5 aaron 143: Day descriptions start after the first <tab> character in the line;
144: if the line does not contain a <tab> character, it isn't printed out.
145: If the first character in the line is a <tab> character, it is treated as
1.8 pjanzen 146: the continuation of the previous description.
1.3 millert 147: .Pp
1.9 pjanzen 148: The calendar file is preprocessed by
1.1 deraadt 149: .Xr cpp 1 ,
150: allowing the inclusion of shared files such as company holidays or
151: meetings.
152: If the shared file is not referenced by a full pathname,
153: .Xr cpp 1
154: searches in the current (or home) directory first, and then in the
155: directory
156: .Pa /usr/share/calendar .
157: Empty lines and lines protected by the C commenting syntax
158: .Pq Li /* ... */
159: are ignored.
160: .Pp
1.27 jmc 161: Some possible calendar entries
162: (a \fB\et\fR sequence denotes a <tab> character):
1.1 deraadt 163: .Bd -unfilled -offset indent
1.3 millert 164: LANG=C
165: Easter=Ostern
166:
167: #include <calendar.usholiday>
168: #include <calendar.birthday>
169:
170: 6/15\fB\et\fRJune 15 (if ambiguous, will default to month/day).
171: Jun. 15\fB\et\fRJune 15.
172: 15 June\fB\et\fRJune 15.
173: Thursday\fB\et\fREvery Thursday.
1.27 jmc 174: June\fB\et\fREvery June 1st.
1.3 millert 175: 15 *\fB\et\fR15th of every month.
1.1 deraadt 176:
1.27 jmc 177: May Sun+2\fB\et\fRsecond Sunday in May (Muttertag)
178: 04/SunLast\fB\et\fRlast Sunday in April,
179: \fB\et\fRsummer time in Europe
1.3 millert 180: Easter\fB\et\fREaster
1.27 jmc 181: Ostern-2\fB\et\fRGood Friday (2 days before Easter)
182: Paskha\fB\et\fROrthodox Easter
1.1 deraadt 183: .Ed
184: .Sh FILES
1.5 aaron 185: .Bl -tag -width ~/.calendar/calendar -compact
1.3 millert 186: .It Pa calendar
1.25 jmc 187: File in current directory.
1.3 millert 188: .It Pa ~/.calendar
1.25 jmc 189: Directory in the user's home directory (which
1.9 pjanzen 190: .Nm
1.25 jmc 191: changes into, if it exists).
1.3 millert 192: .It Pa ~/.calendar/calendar
1.25 jmc 193: File to use if no calendar file exists in the current directory.
1.3 millert 194: .It Pa ~/.calendar/nomail
1.9 pjanzen 195: .Nm
1.25 jmc 196: will not send mail if this file exists.
1.29 xsa 197: .It Pa calendar.all
198: International and national calendar files.
1.1 deraadt 199: .It Pa calendar.birthday
1.25 jmc 200: Births and deaths of famous (and not-so-famous) people.
1.36 jmc 201: .It Pa calendar.canada
202: Canadian holidays.
1.1 deraadt 203: .It Pa calendar.christian
1.8 pjanzen 204: Christian holidays (should be updated yearly by the local system administrator
1.25 jmc 205: so that roving holidays are set correctly for the current year).
1.1 deraadt 206: .It Pa calendar.computer
1.25 jmc 207: Days of special significance to computer people.
208: .It Pa calendar.croatian
209: Croatian calendar.
1.31 jmc 210: .It Pa calendar.discord
211: Discordian calendar (all rites reversed).
1.18 mickey 212: .It Pa calendar.fictional
1.25 jmc 213: Fantasy and fiction dates (mostly LOTR).
214: .It Pa calendar.french
215: French calendar.
216: .It Pa calendar.german
217: German calendar.
1.1 deraadt 218: .It Pa calendar.history
1.32 jmc 219: Miscellaneous history.
1.1 deraadt 220: .It Pa calendar.holiday
1.25 jmc 221: Other holidays (including the not-well-known, obscure, and
1.1 deraadt 222: .Em really
1.25 jmc 223: obscure).
1.1 deraadt 224: .It Pa calendar.judaic
1.5 aaron 225: Jewish holidays (should be updated yearly by the local system administrator
1.25 jmc 226: so that roving holidays are set correctly for the current year).
1.1 deraadt 227: .It Pa calendar.music
1.25 jmc 228: Musical events, births, and deaths (strongly oriented toward rock n' roll).
1.19 fgsch 229: .It Pa calendar.openbsd
230: .Ox
1.25 jmc 231: related events.
1.18 mickey 232: .It Pa calendar.pagan
1.25 jmc 233: Pagan holidays, celebrations and festivals.
234: .It Pa calendar.russian
235: Russian calendar.
1.32 jmc 236: .It Pa calendar.space
237: Cosmic history.
238: .It Pa calendar.ushistory
239: U.S. history.
1.1 deraadt 240: .It Pa calendar.usholiday
1.25 jmc 241: U.S. holidays.
1.18 mickey 242: .It Pa calendar.world
1.25 jmc 243: World wide calendar.
1.1 deraadt 244: .El
245: .Sh SEE ALSO
246: .Xr at 1 ,
1.12 aaron 247: .Xr cal 1 ,
1.1 deraadt 248: .Xr cpp 1 ,
1.5 aaron 249: .Xr mail 1 ,
250: .Xr cron 8
1.23 jmc 251: .Sh STANDARDS
1.1 deraadt 252: The
1.11 aaron 253: .Nm
1.1 deraadt 254: program previously selected lines which had the correct date anywhere
255: in the line.
1.12 aaron 256: This is no longer true: the date is only recognized when it occurs
1.3 millert 257: at the beginning of a line.
1.1 deraadt 258: .Sh HISTORY
259: A
260: .Nm
1.3 millert 261: command appeared in
1.1 deraadt 262: .At v7 .
263: .Sh BUGS
1.9 pjanzen 264: .Nm
1.28 mickey 265: doesn't handle all Jewish holidays or moon phases.