need help cutting consecutive lines with sed or awk

raghin · #1 (**permalink**) 06-04-2008

HI All,

I want to cut 5 lines after a pattern using sed or awk. can any one tell me how to do it ?

jaduks · #2 (**permalink**) 06-04-2008

Code:

$ cat file.txt
AA
BB
CC
DD
EE
FF
GG
HH
II
$ sed -n '/^DD/{p;n;p;n;p;n;p;n;p;}' file.txt
DD
EE
FF
GG
HH

or 

If you don't want the pattern,
$ sed -n '/^DD/{n;p;n;p;n;p;n;p;n;p;}' file.txt

Franklin52 · #3 (**permalink**) 06-04-2008

Code:

awk '/pattern/{n=5;next}n{print;n--}' file

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