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Full Discussion: Reshaping file via awk
Top Forums Shell Programming and Scripting Reshaping file via awk Post 303001451 by Don Cragun on Thursday 3rd of August 2017 05:30:01 PM
Old 08-03-2017
In the future, please start a new thread to discuss a new problem. For the new problem you posted in post #4, you problems are that:
  1. your 1st assignment to field 7 overwrote the data you are trying to extract in the 2nd call to substr() on that field, (and there is no reason to make any of those assignments), and
  2. you didn't make any attempt to print field 8.
Try this instead:
Code:
awk -F '[;-]' '{print substr($2, 1, 5), $1, $2, $3, substr($4, 2), $5, $6, substr($7, 1, 1), substr($7, 2, 1), $8}' OFS='\t' file

 

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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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