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Display n lines before match found

 
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# 1  
Old 06-25-2012
Display n lines before match found
I have a file with following data

A
B
C
D
E
F
G
H
I
K
L
M
N

and search pattern is G

Expected output

A
B
C
D
E
F

Note : Apart from grep -B i need some other options
# 2  
Old 06-25-2012
Code:
awk '/G/{exit}'1 file

# 3  
Old 06-25-2012
Code:
awk '/G/{p=1}!p' file

# 4  
Old 06-25-2012
Code:
sed -n '/G/q;p'

Regards,
Alister
This User Gave Thanks to alister For This Post:
nsuresh316
 
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