我正在运行 AIX 5.3（不是故意的，但我无法更改它），并且我有一个文本文件：servers.txt 下面是文件内容的示例：
apple port1 username password IPAddress TCP
banana port2 username password IPAddress TCP
beet port3 username password IPAddress TCP
apple port4 username password IPAddress TCP
avocado port1 username password IPAddress TCP
tomato port2 username password IPAddress TCP
avocado port3 username password IPAddress TCP
peach port4 username password IPAddress TCP
avocado port5 username password IPAddress TCP
avocado port6 username password IPAddress TCP
strawberry port1 username password IPAddress TCP
strawberry port2 username password IPAddress TCP
strawberry port3 username password …