#!/bin/bash

if [ $# -ne 1 ]; then
        echo "Usage: mpcs <sleep-time>"
        exit 2
fi

let "i = $1" &>/dev/null|| (echo "NaN"; exit 3)

while [ $i -gt 0 ]; do 
        out="Time left: $i min "
        echo -n $out
        sleep 60
        #sleep 1
        j=${#out}
        while [ $j -gt 1 ]; do 
                # en frem og to tilbake?
                echo -en "\b \b"
                let j--
        done

        let i--
done
echo "Time left: 0 min"
mpc pause 1>/dev/null && echo "Paused" || echo "Failed to pause"