我在Linux/Python3中工作,正在创建一些小脚本,这些脚本由在Python中执行一些命令组成.
示例: 对服务器执行ping操作
hostname= "server.com"
response= os.system("ping -c 1 " + hostname)
if response == 0:
print (hostname, 'is up!')
else:
print (hostname, 'is down!')
输出:
PING server.com (10.10.200.55) 56(84) bytes of data.
64 bytes from server.com (10.10.200.55): icmp_seq=1 ttl=61 time=12.4 ms
--- server.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 15.446/15.446/15.446/0.000 ms
server.com is up!
这个可以正常工作,但我不需要全部打印. 我如何才能只得到输出的第一行?