从哔哩哔哩下载剧，并将视屏片段合并 需要：youtube-dl, ffmpeg

bilibili.zsh

for i in {1..12}
do
    url=http://www.bilibili.com/video/av3794937/index_$i.html
    echo $url
    youtube-dl -o "SeGmEnT-$i-%(playlist_index)s.%(ext)s" $url
    rm -f buffer_list
    touch buffer_list
    for file in $(ls SeGmEnT-$i-*.flv)
    do
        echo file "'$file'" >> buffer_list
    done
    ffmpeg -f concat -i buffer_list -c copy $i.mkv 
done
rm -f buffer_list