07-02-2008
Sorry for leading you towards misunderstanding...
Please consider the below 3 sample files:
file1.csv
C01;10
C02;0
C03;0
C04;0
C05;20
C06;0
C07;0
C08;0
file2.csv
C01;50
C02;20
C03;90
C04;0
C05;0
C06;0
C07;40
C08;0
file3.csv
C01;0
C02;0
C03;0
C04;10
C05;30
C06;80
C07;40
C08;60
Then the resultant output file should be as follows:
output.csv
C01;60
C02;20
C03;90
C04;10
C05;50
C06;80
C07;80
C08;60
One more thing is that, I am writing a perl script and not a shell script. hence I cannot use the line "perl -F';' -lane'" (If Iam not wrong).
Please guide me...
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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)