所以我有一堆文件,例如:
Aaron Lewis - Country Boy.cdg
Aaron Lewis - Country Boy.mp3
Adele - Rolling In The Deep.cdg
Adele - Rolling In The Deep.mp3
Adele - Set Fire To The Rain.cdg
Adele - Set Fire To The Rain.mp3
Band Perry - Better Dig Two.cdg
Band Perry - Better Dig Two.mp3
Band Perry - Pioneer.cdg
Band Perry - Pioneer.mp3
我需要在 bash 或 fish 脚本中删除前导空格。