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grep for unique value

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# 1  
Old 10-12-2009
grep for unique value
If i want to grep for a value in a file but display only unique value then which option can i use.
ex: Values in the file
IP <1.2.3.4> value <2>
IP <1.2.3.4> value <2>
IP <1.2.3.4> value <3>
IP <1.2.3.5> value <1>
i should get only the unique value
# 2  
Old 10-12-2009
Try something like below..

Code:
grep 5

:-P...

not sure what r u asking.. plz be more clear...
Last edited by Tuxidow; 10-12-2009 at 09:38 AM..
# 3  
Old 10-12-2009
explain it more clear, with input & output along with the detailed description about the requirement.
# 4  
Old 10-12-2009
Quote:
Originally Posted by vls1210
i should get only the unique value
Maybe a point to start from:

Code:
[house@leonov] cat file | grep 'value' | sort --unique
IP <1.2.3.4> value <2>
IP <1.2.3.4> value <3>
IP <1.2.3.5> value <1>

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