#!/usr/bin/env bash set -euo pipefail checkRunning="$(mpc current)" if [[ $checkRunning == '' ]]; then exit 1 fi arg=$1 if [[ $arg == 'next' ]] || [[ "$arg" == "-n" ]]; then echo "怜" elif [[ $arg == 'prev' ]] || [[ "$arg" == "-p" ]]; then echo "玲" fi