1.\" $NetBSD: leave.1,v 1.9 2002/01/21 11:42:55 wiz Exp $ 2.\" 3.\" Copyright (c) 1980, 1990, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by the University of 17.\" California, Berkeley and its contributors. 18.\" 4. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" @(#)leave.1 8.3 (Berkeley) 4/28/95 35.\" 36.Dd January 19, 2002 37.Dt LEAVE 1 38.Os 39.Sh NAME 40.Nm leave 41.Nd remind you when you have to leave 42.Sh SYNOPSIS 43.Nm 44.Sm off 45.Oo 46.Op Cm \&+ 47.Ns Ar hhmm 48.Oc 49.Sm on 50.Sh DESCRIPTION 51.Nm 52waits until the specified time (within the next 12 hours), then 53reminds you that you have to leave by writing to the TTY that you 54executed 55.Nm 56on. 57.Pp 58You are reminded 5 minutes and 1 minute before the actual 59time, at the time, and every minute thereafter. 60When you log off, 61.Nm 62exits just before it would have 63printed the next message. 64.Sh OPTIONS 65.Bl -tag -width flag 66.It Ar hhmm 67The time of day is in the form 68.Ar hhmm 69where 70.Ar hh 71is a time in 72hours (on a 12 or 24 hour clock), and 73.Ar mm 74are minutes. 75.Pp 76However, all times are converted to a 12 hour clock, and assumed to 77be in the next 12 hours. 78An attempt to set an alarm for farther into the future will be truncated 79to within the next 12 hours. 80.It Cm \&+ 81If the time is preceded by 82.Ql Cm \&+ , 83the alarm will go off in hours and minutes 84from the current time. 85.El 86.Pp 87If no argument is given, 88.Nm 89prompts with "When do you have to leave?" 90A reply of newline causes 91.Nm 92to exit, 93otherwise the reply is assumed to be a time. 94This form is suitable for inclusion in a 95.Pa ~/.login 96or 97.Pa ~/.profile . 98.Sh SEE ALSO 99.Xr calendar 1 , 100.Xr csh 1 , 101.Xr sh 1 102.Sh HISTORY 103The 104.Nm 105command appeared in 106.Bx 3.0 . 107.Sh BUGS 108In the modern age with 109.Xr X 1 110and window multiplexing programs like 111.Xr window 1 112and 113.Xr screen 1 , 114the 115.Nm 116command's reminders and admonitions might not be seen if the user 117has the window where 118.Nm 119was started minimized or obscured. 120.Pp 121This all begs for a more general user notifications system to be implemented. 122