#!/usr/bin/env bash
stopwatch() {
    start=$(date +%s)
    while true; do
        days="$(($(( $(date +%s) - $start )) / 86400))"
        time="$(( $(date +%s) - $start ))"
        printf '%s day(s) and %s\r' "$days" "$(date -u -d "@$time" +%H:%M:%S)"
        sleep 0.1
    done
}

stopwatch "${@}"

# countdown() {
    # start="$(( $(date +%s) + $1))"
    # while [ "$start" -ge $(date +%s) ]; do
        # ## Is this more than 24h away?
        # days="$(($(($(( $start - $(date +%s) )) * 1 )) / 86400))"
        # time="$(( $start - `date +%s` ))"
        # printf '%s day(s) and %s\r' "$days" "$(date -u -d "@$time" +%H:%M:%S)"
        # sleep 0.1
    # done
# }

# Taken from:
# https://superuser.com/questions/611538/is-there-a-way-to-display-a-countdown-or-stopwatch-timer-in-a-terminal