python读取txt文件,查找到指定内容,并做出修改
2个回答
展开全部
def modifyip(tfile,sstr,rstr):
try:
lines=open(tfile,'r').readlines()
flen=len(lines)-1
for i in range(flen):
if sstr in lines[i]:
lines[i]=lines[i].replace(sstr,rstr)
open(tfile,'w').writelines(lines)
except Exception,e:
print e
modifyip('a.txt','a','A')
展开全部
def modifyip(tfile,sstr,rstr):
try:
lines=open(tfile,'r').readlines()
flen=len(lines)-1
for i in range(flen):
if sstr in lines[i]:
lines[i]=lines[i].replace(sstr,rstr)
open(tfile,'w').writelines(lines)
except Exception,e:
print e
modifyip('a.txt','a','A')
try:
lines=open(tfile,'r').readlines()
flen=len(lines)-1
for i in range(flen):
if sstr in lines[i]:
lines[i]=lines[i].replace(sstr,rstr)
open(tfile,'w').writelines(lines)
except Exception,e:
print e
modifyip('a.txt','a','A')
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