[拿来即用]-用Python批量去除文件名前缀字符串

import os
import sys
# usage : python3 rename.py <path> <str need to replace>
if __name__ == "__main__":
    if len(sys.argv) == 2:
        path = './'
        old_str = sys.argv[-1]
    elif len(sys.argv) == 3:
        path = sys.argv[1]
        old_str = sys.argv[-1]
    else:
        sys.exit()
    if not path.endswith('/'):
        path = path + '/'
    # 遍历目录下面的文件
    for file in os.listdir(path):
        if file.startswith(old_str):
            # 替换字符串为空
            name = file.replace(old_str,'')
            # 重命名
            os.rename(path+file, path+name)
            print(name)
            pass
    print('finish')