目标
限制输出dhclient。
代码
dhclient eth0|sed 's/answers//'
预期行为
RTNETLINK : Operation not permitted
得到
RTNETLINK answers: Operation not permitted
管道 ifconfig 工作
ifconfig eth| sed 's/eth//'->[cut the search]:flags=41...
环境
sed (GNU sed) 4.7 Packaged by Debian