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## vim:ft=zsh
autoload check_com
typeset -i beep=0
typeset -i seconds
if check_com beep; then
beep=1
fi
while true; do
seconds=$[$(date -d "$*" +%s)-$(date +%s)]
echo -n $seconds
if (( seconds <= 0 )) {
(( beep )) && beep || echo -ne "\a"
}
sleep 1
echo -ne "\r\e[2K"
done
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