countdown script

.zshrc

function countdown {
    MIN=$1 && for i in $(seq $(($MIN*60)) -1 1); do 
    printf "\r%02d:%02d:%02d" $((i/3600)) $(( (i/60)%60)) $((i%60)); sleep 1; 
    done
    osascript -e 'display notification "시간이 지났습니다" with title "Countdown" sound name "Clock-chimes"';  
}