#!/usr/bin/env bash
d="$(date +%s)"
echo "Stopwatch started $(date)"
while true; do
_dt=$((`date +%s` - d))
days=$((_dt / 86400))
echo -ne "\r${days}d $(date -u --date @$((_dt)) +%H:%M:%S) "
sleep 0.1
done
# TODO: add "lap" capabilities?
echo -ne "\rStopwatch stopped at $(date)\n"