File copy operation:
# -*- encoding: utf-8 -*-
"""
@File : 02-复制文件操作.py
@Contact : [email protected]
@License : (C)Copyright 2019-2020
@Modify Time @Author @Version @Desciption
------------ ---------- -------- -----------
2020-02-22 22:02 niujianwei 1.0 None
"""
# 1. 获取用户要复制的文件名
old_file_name = input("请输入要复制的文件名:")
# 2. 打开要复制的文件
old_file = open(old_file_name, "r")
# test.py -----> test[复件].py
# new_file_name = "[复件]"+old_file_name
position = old_file_name.rfind(".")
new_file_name = old_file_name[:position] + "[复件]" + old_file_name[position:]
# 3. 新建一个文件
# new_file = open("laowang.txt", "w")
new_file = open(new_file_name, "w")
# 4. 从旧文件中读取数据,并且写入到新文件中
while True:
content = old_file.read(1024)
if len(content) == 0:
break
new_file.write(content)
# 5. 关闭2个文件
old_file.close()
new_file.close()
Copy the file naming way:
# test.py -----> test[复件].py
# new_file_name = "[复件]"+old_file_name
position = old_file_name.rfind(".")
new_file_name = old_file_name[:position] + "[复件]" + old_file_name[position:]