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Full Discussion: Combining AWK statements
Top Forums Shell Programming and Scripting Combining AWK statements Post 302526185 by vnayak on Monday 30th of May 2011 06:16:55 PM
Old 05-30-2011
Power Combining AWK statements
Hello UNIX Community,

I have file that contains the following data:

testAwk2.csv


Code:
rabbit penguin goat 
 giraffe emu ostrich 
 hyena elephant panda
 dog cat pig
 lizard snake antelope
 platypus tiger cheetah
 lion rhino spider

I then find the character length of the second field:

Code:
awk '{print $0, length($2)}' testAwk2.csv 

 rabbit penguin goat  7
 giraffe emu ostrich  3
 hyena elephant panda 8
 dog cat pig 3
 lizard snake antelope 5
 platypus tiger cheetah 5
 lion rhino spider  5

Now I want to only display the fields with more then 3 characters:

Code:
awk '{print $0, length($2)}' testAwk2.csv > testAwk3.csv | awk '$4 > 3' testAwk3.csv > testAwk4.csv

cat testAwk4.csv 

 rabbit penguin goat  7
 hyena elephant panda 8
 lizard snake antelope 5
 platypus tiger cheetah 5
 lion rhino spider  5

This produces the correct answer so no problem there. But is there a way to combine the two awk statements and sort the third field alphabetically at the same time? This is so I can output the operation into just one file rather then
then the many I have created above.

I really would appreciate your help with this.

Many Thanks,

Vnayak
 

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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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