下面是例子是读取一个文件内容,并且改变其中满足正则的行,进行内容追加。
# use command : reWriteFile.py oldFileName.txt newFileName.txt
import re
import sys
param = sys.argv
if len(param) > 3:
sys.exit()
oldFile = param[1]
newFile = open(param[2], "w+")
with open(oFile) as f2:
while True:
line = f2.readline() # read con
1