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# 1  
Old 07-08-2010
Print pattern
Hi all!

I have a large file and want to print 4 pattern + 2 lines after each of the pattern

after each pattern, the lines are not the same

sed to print a pattern

Code:
sed -n '/pattern1/{N;N;N;p;}'


pattern1
.........
........
pattern2
..........
.........
pattern3
..........
.........
pattern4
..........
.........



Thanks
Last edited by Novice-; 07-08-2010 at 11:23 AM..
# 2  
Old 07-08-2010
what is your desired output?
This User Gave Thanks to ygemici For This Post:
Novice-
# 3  
Old 07-08-2010
Hi,

do you mean something like this:

Code:
sed -n '/^\(pattern1\|pattern2\|pattern3\|pattern4\)/{N;N;p}' file

HTH Chris
This User Gave Thanks to Christoph Spohr For This Post:
Novice-
# 4  
Old 07-08-2010
Quote:
Originally Posted by Christoph Spohr
Hi,

do you mean something like this:

Code:
sed -n '/^\(pattern1\|pattern2\|pattern3\|pattern4\)/{N;N;p}' file

HTH Chris

Yes, but not working, fichier out goes blank

---------- Post updated at 07:41 PM ---------- Previous update was at 07:31 PM ----------
Quote:
Originally Posted by ygemici
what is your desired output?
in the order of the file, for example

pattern1
.........
........
pattern2
..........
.........
pattern3
..........
.........
pattern4
..........

pattern1
.........
........
pattern2
..........
.........
pattern3
..........
.........
pattern4
..........

pattern1
.........
........
pattern2
..........
.........
pattern3
..........
.........
pattern4
..........
# 5  
Old 07-08-2010
this will be output file ok Smilie
at now can you write a little portion for your input file ?
This User Gave Thanks to ygemici For This Post:
Novice-
# 6  
Old 07-08-2010
Quote:
Originally Posted by ygemici
this will be output file ok Smilie
at now can you write a little portion for your input file ?


Code:
PATTERN1
ppppapapappappapa
qmqkkqhqgqgqgqg
qmllllkkjjjj
q,nnysuydskdfopmpfp
uuuuuuuuuuuuu
gggggggggggg
dddddddd
PATTERN2:b:
FFFFD   KKKKJ
MMMMMQQQQQQM

KKKDD

PATTERN3
MMMDDD
DDDDDDD
DDDDDDDDDD
DDDDDDDDDDD
DDDDDDDDDDD
DDDDDDDDDDD
DDDDDDDDDDD
DDDDDDDDDDDDD
D
D
PATTERN4
RRRRRRRRR
FFFFF
GGGGGG

RREEEB

PATTERN1
RRRRR
RRRR
RRRRRRR
RRRRRR
PATTERN2 
FFFFFFF
FFFFF
PATTERN3
YYYY
TTTT
RR
EEE
FF
PATTERN4
RRR
ooooo
.......
............
ffffffffffffffffff
PATTERN1

Until the end of file

Moderator's Comments:
Mod Comment Code tags, please...
Last edited by Scott; 07-08-2010 at 04:13 PM..
# 7  
Old 07-08-2010
Code:
# sed -n -e :x -e '/PATTERN.*/{;N;N;p;d;}' -e tx infile
PATTERN1
ppppapapappappapa
qmqkkqhqgqgqgqg
PATTERN2
FFFFD KKKKJ
MMMMMQQQQQQM
PATTERN3
MMMDDD
DDDDDDD
PATTERN4
RRRRRRRRR
FFFFF
PATTERN1
RRRRR
RRRR
PATTERN2
FFFFFFF
FFFFF
PATTERN3
YYYY
TTTT
PATTERN4
RRR
ooooo

This User Gave Thanks to ygemici For This Post:
Novice-
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