grep 검색할 단어명 -A 앞에서몇줄 -B 뒤에서몇줄
ex ) grep baby -A 3 -B 3
최근에 안 grep명령어의 좋은 기능인데,
옵션으로 -A 검색할단어명 앞으로 지정라인, -B 검색할단어명 뒤에서 지정라인
이렇게 출력할 수 있는 것이다.
최근 열심히 듣고 있는 Chrisette Michele 의 Love is You 가사로 예제를 들어보았다.
$ cat loveisyou.txt
What's your definition of it?
Hows it make you feel?
Tell me what you say that truly makes it real
Kings and Queens, Philosophers have tried so hard to find
Tell me what it means to you dear, nevermind
Love is kind when the world is cold
Love stays strong when the fight gets old
Love's a shoulder to lean on
Love is you
Love's like the water when the well runs dry
Quench my thirst, keep me alive
*Just need one sip baby*
Love is you
Love is you, Love is you,
Love is you, Love is you
Is it possible, there is a kiss that's so divine
Or am I just a fool, is it all in my mind?
Is there something chemical
A scientist might say
Well love must be a drug
To make me feel this way
Cause Love's my permission to be who I am
No *inhibitions* cause you understand
Freedom to breathe oh baby
Love is you
Love's like a kiss when the sun goes down
Holds me tight when no one's around
Love's what I want to hold on to
Love is you
Love is you,
Love is you, Love is you,
Love is you, Love is you,
Love is you, Love is you,
Love is kind, it makes me stronger
I don't have to look no longer
You're the one I cling to
Love is you
When the chips are down
Love will stick around
I'm so glad I found
Love is you
Much as I've tried to clarify
Love's quite simple, he's just my guy
A perfect definition
Love is you
Love is you, Love is you
Love is you... is you...
검색어 날려보기 ! 두둥
$ grep baby loveisyou.txt -A 3 -B 3
Love is you
Love's like the water when the well runs dry
Quench my thirst, keep me alive
*Just need one sip baby*
Love is you
Love is you, Love is you,
Love is you, Love is you
--
Cause Love's my permission to be who I am
No *inhibitions* cause you understand
Freedom to breathe oh baby
Love is you
Love's like a kiss when the sun goes down
Holds me tight when no one's around
grep baby loveisyou.txt -A 3 -B 3
명령어를 날릴 때 색깔을 표시해 두고 싶다면,
grep baby --color=auto loveisyou.txt -A 3 -B 3
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