Python替换文件内容函数

Python替换文本的简易函数

• 一行一行替换

  import os
  def fun(path,old_content,new_content):
      with open(path,encoding='utf-8') as f1,\
          open('test',encoding='utf-8',mode='w') as f2:
          for line in f1:
              new_line = line.replace(old_content,new_content)
              f2.write(new_line)
      os.remove(path)
      os.renames('test',path)