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Howto use grep command

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# 1  
Old 07-26-2012
Howto use grep command
Hi all ,
i am having a table which contains start date and end date
for ex ..
startdate enddate
12/03/2011 12/04/2012
11/03/2011 20/05/2011
11/04/2011 28/07/2011

how to grep startdate = 12/03/2011
enddate = 28/07/2011

i need output :-
startdate:12/03/2012
enddate:28/07/2011

Any body know the solutoins help me........
# 2  
Old 07-26-2012
Code:
awk '$1 == "12/03/2011" || $2 == "28/07/2011" {print}' file

# 3  
Old 07-26-2012
Code:
head -1 file | awk '{ print "startdate="$1 }' 
tail -1 file | awk '{ print "enddate="$NF }'

Last edited by pamu; 07-27-2012 at 04:23 AM..
# 4  
Old 07-26-2012
Code:
awk 'NR==1{print "startdate:",$1}END{print "enddate:",$2}' infile

# 5  
Old 07-26-2012
Quote:
Originally Posted by pamu
Code:
cat file | head -1 | awk '{ print "startdate="$1 }' 
cat file | tail -1 | awk '{ print "enddate="$NF }'

Useless Use of Cat
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