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Shell Programming and Scripting

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# 1  
Old 11-08-2010
find pattern
Pls help with this clue:

a goal is to find a pattern and then ...
a) if it is found: {print $0}
b) if not: {print "NOT EXIST"}
# 2  
Old 11-08-2010
Use the man pages:
Code:
man grep

# 3  
Old 11-08-2010
Sorry. I was not precize. I want to include this search into awk program.
I know how to do the search and how to use if statement into awk. But I cannot manage to join those two. Maybe silly, but ...
# 4  
Old 11-08-2010
With AWK
Code:
 awk '{ if ( $0 ~ /PATTERN/ ) print $0 ;  else print "NOT FOUND" } ' file.txt

With SED
Code:
 sed -n  -e   '/PATTERN/!s/.*/NOT FOUND/gp' -e '/PATTERN/p'  file.txt

Last edited by becket; 11-08-2010 at 06:30 PM..
# 5  
Old 11-08-2010
Code:
awk '{print /pattern/?$0:"NOT EXIST"}' infile

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