python把标准输入中的时间戳批量变成时间

tformat.py

#!/bin/python
import time

import sys

data = sys.stdin.readlines()
for line in data:
  seconds = int(line.split(':')[0])
  s_time = time.strftime("%Y-%m-%d %H:%M:%S",time.localtime(seconds))
  print s_time,line.split(':')[1].rstrip()

使用方法：

chmod a+x ./tformat.py
cat  file | ./tformat.py

另一种用法：
leon@ubuntu:~/work$ cat <

1646481238: Client 357734500178325 has exceeded timeout, disconnecting.
1646481238: Socket error on client 357734500178325, disconnecting.
1646481545: New client connected from 223.73.212.49 as 357734500178325 (c1, k600).
EOF
2022-03-05 11:53:58 Client 357734500178325 has exceeded timeout, disconnecting.
2022-03-05 11:53:58 Socket error on client 357734500178325, disconnecting.
2022-03-05 11:59:05 New client connected from 223.73.212.49 as 357734500178325 (c1, k600).