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#!/bin/sh
#
# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is mozilla.org code.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 1996-2003
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
# Mark Smith <MarkCSmithWork@aol.com>
#
# Alternatively, the contents of this file may be used under the terms of
# either of the GNU General Public License Version 2 or later (the "GPL"),
# or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
# alarm: a simple script to ring a bell after a specified time period elapses.
#
# usage: alarm +relativetime [msg]
# alarm absolutetime [msg]
#
# where:
# relativetime is a number in seconds or a number followed by
# a unit character (s for seconds, m for minutes, h for hours), e.g., +2h
# absolutetime is a precise time for the alarm, e.g., 3pm
# msg is an optional text message to be displayed when the alarm fires.
#
ECHO_MINUS_N="/usr/ucb/echo -n"
if [ ! -x /usr/ucb/echo ]; then
ECHO_MINUS_N="/bin/echo -n"
fi
ECHO=echo
GETDATE=$HOME/usr/bin-`uname`/getdate
ring_bell()
{
for i in a b c d e; do
$ECHO_MINUS_N
sleep 1
done
sleep 2;
for i in a b c d e; do
$ECHO_MINUS_N
sleep 1
done
$ECHO ""
}
if [ $# -lt 1 ]; then
$ECHO "usage: $0 absolutetime [msg]"
$ECHO "usage: $0 +relativetime [msg]"
exit 1;
fi
RAWTIME=$1
if [ -z "$2" ]; then
MSG="Alarm!"
else
shift
MSG="Alarm: $*"
fi
FIRSTCHAR=`$ECHO $RAWTIME | sed -e 's/\(.\).*$/\1/'`
if [ $FIRSTCHAR = "+" ]; then
# relative time
ALLBUTFIRST=`$ECHO $RAWTIME | sed -e 's/^.//'`
LASTCHAR=`$ECHO $ALLBUTFIRST | sed -e 's/^.*\(.\)$/\1/'`
ALLBUTLAST=`$ECHO $ALLBUTFIRST | sed -e 's/.$//'`
case $LASTCHAR in
s)
SLEEPTIME=$ALLBUTLAST
break;
;;
m)
SLEEPTIME=`expr $ALLBUTLAST \* 60`
break;
;;
h)
SLEEPTIME=`expr $ALLBUTLAST \* 60 \* 60`
break;
;;
[0-9])
SLEEPTIME=$ALLBUTFIRST
break;
;;
*)
$ECHO "time must be in the form [0-9]*s, [0-9]*m, [0-9]*h"
exit 1
esac
else
# absolute time
if [ -z "$DATEMSK" ]; then
DATEMSK=$HOME/.datemsk; export DATEMSK
fi
CURRENT_TIME=`date`;
CURRENT_TIME_SECS=`$GETDATE "$CURRENT_TIME"`
if [ $? -ne 0 ]; then
$ECHO "$GETDATE failed for current time"
exit 1
fi
ALARM_TIME_SECS=`$GETDATE "$RAWTIME"`
if [ $? -ne 0 ]; then
ALARM_TIME_SECS="";
# try adding an 'm' if the last char. is an 'a' or a 'p' (so 5am and 5pm work)
LASTCHAR=`$ECHO $RAWTIME | sed -e 's/^.*\(.\)$/\1/'`
if [ "$LASTCHAR" = "p" -o "$LASTCHAR" = "a" ]; then
ALARM_TIME_SECS=`$GETDATE "$RAWTIME"m`
if [ $? -ne 0 ]; then
ALARM_TIME_SECS="";
fi
fi
fi
if [ -z "$ALARM_TIME_SECS" ]; then
$ECHO "$GETDATE failed for $RAWTIME; try one of these formats:"
cat $DATEMSK
exit 1
fi
SLEEPTIME=`expr $ALARM_TIME_SECS - $CURRENT_TIME_SECS`
if [ $SLEEPTIME -le 0 ]; then
SECONDS_AGO=`expr 0 - $SLEEPTIME`;
$ECHO "$RAWTIME seems to be in the past ($SECONDS_AGO seconds ago)"
exit 1
fi
fi
#$ECHO rt=$RAWTIME fc=$FIRSTCHAR lc=$LASTCHAR sl=$SLEEPTIME
if [ $SLEEPTIME != "$ALLBUTLAST" ]; then
$ECHO "$MSG in $SLEEPTIME seconds ($RAWTIME)..."
else
$ECHO "$MSG in $SLEEPTIME seconds..."
fi
sleep $SLEEPTIME
$ECHO_MINUS_N "$MSG"
ring_bell
exit 0
|
