据我所知,这可能适用于一种情况,但它是清除我的文件和替换文件中的查找字符串。你知道吗
#!/usr/bin/python
open('vpc.xml','r+') as p: #open a file in read and write mode
p=rp.readlines()
print p #printing what content read by p
for line in p: #for loop up to end of line in file
if "<mac address=" in line: #if condition encounter by for loop line then it replaces the string specified in if condition.
print line
r.write(line.replace("<mac address=","<mac address1="))
elif "<source bridge=" in line:
print line
r.write(line.replace("<source bridge=","<source bridge1="))
elif "<target dev" in line:
print line
r.write(line.replace("<target dev","<target dev1"))
else :
print 'no changes'
continue
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