同时打开多个文件,按行修改文件内容
with open('test.py', 'r', encoding='utf8') as fr, \
open('test_swap.py', 'w', encoding='utf8') as fw:
# 再大的文件都能修改
for i in fr:
s = '傻逼'
i = i.replace('sb', s)
fw.write(i)
fw.flush() # 先保存成功再继续运行
import os
os.remove('test.py')
os.rename('test_swap.py', 'test.py')
转载于:https://www.cnblogs.com/gfhh/p/11545979.html
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