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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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Text::CSV::Encoded::Coder::EncodeGuess(3pm)		User Contributed Perl Documentation	       Text::CSV::Encoded::Coder::EncodeGuess(3pm)

NAME
Text::CSV::Encoded::Coder::EncodeGuess - Text::CSV::Encoded coder class using Encode::Guess SYNOPSIS
use Text::CSV::Encoded coder_class => 'Text::CSV::Encoded::Coder::EncodeGuess'; use Spreadsheet::ParseExcel; my $csv = Text::CSV::Encoded->new(); $csv->encoding( ['ucs2', 'ascii'] ); # guessing ucs2 or ascii? $csv->encoding_to_combine('shiftjis'); my $excel = Spreadsheet::ParseExcel::Workbook->Parse( $file ); my $sheet = $excel->{Worksheet}->[0]; for my $row ( $sheet->{MinRow} .. $sheet->{MaxRow} ) { my @fields; for my $col ( $sheet->{MinCol} .. $sheet->{MaxCol} ) { my $cell = $sheet->{Cells}[$row][$col]; push @fields, $cell->{Val}; } $csv->combine( @fields ) or die; print $csv->string, " "; } DESCRIPTION
This module is inherited from Text::CSV::Encoded::Coder::Encode. USE
Except for 2 attributes, same as Text::CSV::Encoded::Coder::Encode. encoding_in $csv = $csv->encoding_in( $encoding_list_ref ); The accessor to an encoding for pre-parsing CSV strings. If no encoding is given, returns current $encoding, otherwise the object itself. $encoding_list_ref = $csv->encoding_in() When you pass a list reference, it might guess the encoding from the given list. $csv->encoding_in( ['shiftjis', 'euc-jp', 'iso-20022-jp'] ); If it cannot guess the encoding, the first encoding of the list is used. encoding $csv = $csv->encoding( $encoding_list_ref ); $encoding_list_ref = $csv->encoding(); You can pass a list reference to this attribute only: * For list data consumed by combine(). * For list reference returned by getline(). In other word, in "combine" and "print", it might guess an encoding for the passing list data. If it cannot guess the encoding, the first encoding of the list is used. SEE ALSO
Encode, Encode::Guess AUTHOR
Makamaka Hannyaharamitu, <makamaka[at]cpan.org> COPYRIGHT AND LICENSE
Copyright 2008-2010 by Makamaka Hannyaharamitu This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.14.2 2010-04-26 Text::CSV::Encoded::Coder::EncodeGuess(3pm)
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