下载gaea的m3u中的所有文件，自动完成所有转码、文件名整理操作

download.sh

#!/bin/bash

# usage: download *.m3u

for m3u; do
    dos2unix -q $m3u
    iconv -f gbk -t utf8 $m3u | while IFS=" " read line; do
        if [ "${line:0:11}" = "#EXTINF:-1," ]; then
            filename=`basename $m3u .m3u`-${line:11:20}.mp3
            read url
            wget "$url" -O "$filename"
            mid3iconv -e GBK "$filename"
        fi
    done
    shift
done