问题描述
-----我的输入文件[文件名-测试]
centos is my bro
red hat is my course
ubuntu is my OS
fqdn is stupid
tom outsmart jerry
red hat is 3
red hat is friend
red hat is my boy
jerry is small
----我的代码
#! /bin/bash
grep -C1 --color=always "red hat" test
-预期输出
centos is my bro
red hat is my course
ubuntu is my OS
--
tom outsmart jerry
red hat is 3
red hat is friend
--
red hat is 3
red hat is friend
red hat is my boy
--
red hat is friend
red hat is my boy
jerry is small
----即将输出
centos is my bro
red hat is my course
ubuntu is my OS
--
tom outsmart jerry
red hat is 3
red hat is friend
red hat is my boy
jerry is small
----请为grep命令提供必要的选项，以获取预期的输出
-----如果还有其他方法可以实现此输出
-----请在代码中提供参考和注释
解决方法
暂无找到可以解决该程序问题的有效方法，小编努力寻找整理中！
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