import re
import sys
if len(sys.argv) < 3:
print("lack of argument\nusage: python reg.py passwd.txt travel+ed")
sys.exit()
#print("sys argument: ",sys.argv[2])
#keyword=re.compile(r'''travel+ed''')
keyword=re.compile(sys.argv[2])
aa=open(sys.argv[1],"r")
bb=aa.readlines()
#print(bb)
s=''
for line in bb:
#print(line)
data=re.findall(keyword,line)
#print("data:%s,length:%d,type:%s" %(data,len(data),type(data)))
if len(data)>0:
for i in r......
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