Insert content of file before the first occurrence of a line starts with a pattern in another file Post: 302982458

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Top Forums Shell Programming and Scripting Insert content of file before the first occurrence of a line starts with a pattern in another file Post 302982458 by RavinderSingh13 on Thursday 29th of September 2016 08:28:54 AM

09-29-2016

Moderator

Hello Jagadeesh kumar,

Could you please try following and let me know if this helps you.

Code:

awk '{$1=="unix"?++A[$1]:A[$1]} A[$1]==1{system("cat Input_file2")} 1' Input_file1

Output will be as follows.

Code:

working on linux
its unix world
working on unix
its linux world
Here is my content
i want to insert this
unix is best
linux is easy
unix is easy
unix is best
linux is best

EDIT: Following may help you in same too, a little different from previous one(not having array here).

Code:

awk '($1=="unix" && ++q==1){system("cat  Input_file2")} 1'  Input_file1

Output will be as follows.

Code:

working on linux
its unix world
working on unix
its linux world
Here is my content
i want to insert this
unix is best
linux is easy
unix is easy
unix is best
linux is best

Thanks,
R. Singh

Last edited by RavinderSingh13; 09-29-2016 at 09:35 AM..

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