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Full Discussion: Compare 2 csv files in ksh and o/p the difference in a new csv file
Top Forums Shell Programming and Scripting Compare 2 csv files in ksh and o/p the difference in a new csv file Post 302780115 by Naresh101 on Thursday 14th of March 2013 12:51:30 AM
Old 03-14-2013
Compare 2 csv files in ksh and o/p the difference in a new csv file
(say) I have 2 csv files - file1.csv & file2.csv as mentioned below:
file1.csv
ID,version,cost
1000,1,30
2000,2,40
3000,3,50
4000,4,60

file2.csv
ID,version,cost
1000,1,30
2000,2,45
3000,4,55
6000,5,70
The expected o/p is a new csv file say - file3.csv should contain the details of IDs which are present in both the files but with some of the data related to it being different (here version and cost) - as shown below.



Expected o/p file - file3.csv

ID,field,old,new
2000,cost,40,45
3000,version,3,4
3000,cost,50,55
I need a unix ksh script for doing this. Please help me out.
Last edited by Naresh101; 03-14-2013 at 02:04 AM..
 

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LEARN ABOUT CENTOS

processcsv.py

PROCESSCSV.PY(1)					      Virtualization Support						  PROCESSCSV.PY(1)

NAME

       processcsv.py - process virt-top CSV files

SUMMARY

	virt-top --csv data.csv
	processcsv.py < data.csv

DESCRIPTION

       virt-top is a top(1)-like utility for showing stats of virtualized domains.

       processcsv.py is a simple Python script that post-processes the output of "virt-top --csv".

       It is used like this:

	virt-top --csv data.csv
	processcsv.py < data.csv

       The second command will overwrite the following files in the current directory:

       "global.csv"
	   This contains the global (host) statistics columns from the CSV file.

       "domainNN.csv" (multiple files)
	   For each libvirt domain ID NN, a file is created containing the per-domain statistics from the CSV file.

SEE ALSO

       virt-top(1)

AUTHORS

       Richard W.M. Jones <rjones @ redhat . com>

COPYRIGHT

       (C) Copyright 2007-2012 Red Hat Inc., Richard W.M. Jones http://libvirt.org/

       This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
       the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

       This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation,
       Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

virt-top-1.0.8							    2013-12-29							  PROCESSCSV.PY(1)
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