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#!/bin/bash
#
# Simple alarm applicaton
# See discussion at https://www.reddit.com/r/Gentoo/comments/1rryh1/kalarm_replacement/
#
# Parameters
FULLNAME="$0"
BASENAME="`basename $0`"
# List alarms
function xalarm_list {
ps -U $USER -o pid,lstart,command | grep xalarm | grep -v grep | grep -v list | grep -v cancel | \
sed -e "s|$FULLNAME||" -e "s|/bin/bash||" | grep -v -- "sed -e"
}
# Set alarm
function xalarm_set {
# Delay
DELAY="${1:-10m}"
# Message
shift
MESSAGE="${*:-Alarm!}"
# AT(1) implementation
# Example run: xalarm 1minute mymessage
#echo "xmessage $MESSAGE" | at now +$DELAY
# Sleep implementation
# Example run: xalarm 1m mymessage
sleep $DELAY
xmessage $MESSAGE
}
# Cancel alarms
function xalarm_cancel {
if [ ! -z "$1" ]; then
if xalarm_list | awk '{ print $1 }' | grep -q "^$1"; then
kill $1
fi
else
for pid in `xalarm_list | awk '{ print $1 }'`; do
kill $pid
done
fi
}
# Usage
function xalarm_usage {
echo "usage: $BASENAME [list|cancel|kill|help|usage] [timedef] [message]"
exit 1
}
# Dispatch
if [ "$1" == "list" ]; then
xalarm_list
elif [ "$1" == "cancel" ] || [ "$1" == "kill" ]; then
xalarm_cancel $2
elif [ "$1" == "help" ] || [ "$1" == "usage" ]; then
xalarm_usage
else
xalarm_set $*
fi
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