import os
import datetime
 
# 新的文件名中以日期结尾，以下获取系统日期
date = str(datetime.datetime.today())[0:10]
 
file_lists = []
 
 
def text_file_merger(directory_path):
  entry_lists = os.scandir(directory_path)
  for entry_list in entry_lists:
    if entry_list.is_file():
      file_lists.append(entry_list.path)
 
  for file in file_lists:
    file_type_extension = os.path.splitext(file)[1] # 获取文件的扩展名，基本上.txt, .py之类的文本文档合并没有问题
    joined_file_name = 'joined {}{}'.format(date, file_type_extension)
    with open(file, 'rb') as file_to_read:
      file_contents = file_to_read.read()
      with open(directory_path + os.sep + joined_file_name, 'ab+') as file_to_write:
        file_to_write.write(file_contents + b'\n' * 3) # 让每个文件的内容之间相隔３行
 
 
directory_path = r"D:\日志文件"
 
text_file_merger(directory_path)