[CentOS] Scripting help please....

Neil Aggarwal neil at JAMMConsulting.com
Wed Oct 28 18:24:15 UTC 2009


I wonder if you can do this in two steps:
 
1. Parse out the unique values from the thrid column into
    a file.
2. Run the processor on the script to print where the
    third column matches one of the values identified.
 
I dont know how to do this in a script.
I would write a simple Java program to do it.
 
    Neil
 


--
Neil Aggarwal, (281)846-8957, http://www.JAMMConsulting.com
<http://www.jammconsulting.com/> 
CentOS 5.4 KVM VPS $55/mo, no setup fee, no contract, dedicated 64bit CPU
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  _____  

From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf
Of Truejack
Sent: Wednesday, October 28, 2009 12:10 PM
To: centos at centos.org
Subject: [CentOS] Scripting help please....


Need a scripting help to sort out a list and list all the duplicate lines.

My data looks somethings like this

host6:dev406mum.dd.mum.test.com:22:11:11:no
host7:dev258mum.dd.mum.test.com:36:17:19:no
host7:dev258mum.dd.mum.test.com:36:17:19:no
host17:dev258mum.dd.mum.test.com:31:17:19:no
host12:dev258mum.dd.mum.test.com:41:17:19:no
host2:dev258mum.dd.mum.test.com:36:17:19:no
host4:dev258mum.dd.mum.test.com:41:17:19:no
host4:dev258mum.dd.mum.test.com:45:17:19:no
host4:dev258mum.dd.mum.test.com:36:17:19:no

I need to sort this list and print all the lines where column 3 has a
duplicate entry.

I need to print the whole line, if a duplicate entry exists in column 3.

I tried using a combination of "sort" and "uniq" but was not successful.



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