import os

import os.path

def unify_ext_with_os_path(path):

"""统一目录下的 .txt 文件名后缀为 .csv

"""

for filename in os.listdir(path):

basename, ext = os.path.splitext(filename)

if ext == '.txt':

abs_filepath = os.path.join(path, filename)

os.rename(abs_filepath, os.path.join(path, f'{basename}.csv'))

for filename in os.listdir(path):

basename, ext = os.path.splitext(filename)

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