#!/bin/sh
ALARM_SENTINEL_FILE=$HOME/.alarming
main()
{
    if [ $# = 0 ]
    then
        alarm_on 3 'alarming' &
    elif [ "$1" = off ]
    then
        alarm_off
    else
        usage
    fi
}

alarm_off()
{
    rm -f "$ALARM_SENTINEL_FILE"
}

alarm_on()
{
    touch "$ALARM_SENTINEL_FILE"
    while [ -e "$ALARM_SENTINEL_FILE" ]
    do
        dracos-alarm "$@"
        sleep 1
    done
}

main "$@"