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Top Forums Shell Programming and Scripting Search max value in a column in a file instead of sort Post 302391205 by jimmy_y on Sunday 31st of January 2010 03:25:37 AM
Old 01-31-2010
Search max value in a column in a file instead of sort

Hi Everyone,
1.txt
Code:
00:00:00        0       0       0       0       0       0       0
00:00:01        0       0       0       2       1       33       2
00:00:02        5       0       0       0       0       0       0
00:00:03        0       4       0       0       0       0       0
00:00:04        0       0       3       0       0       0       0
00:00:05        0       0       0       0       0       0       0

the 1.pl
Code:
for ($x=2; $x<=8; $x++) {
$tmp = `sort -nk$x 1.txt | tail -1 | cut -f$x | tr -d '\n'`;
$string_1=$string_1.$tmp."\t";
}

instead of this loop sort method, is there any simple, or awk, sed, other ways? Thanks Smilie
 

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PPIx::Regexp::Token::GroupType::Code(3pm)		User Contributed Perl Documentation		 PPIx::Regexp::Token::GroupType::Code(3pm)

NAME
PPIx::Regexp::Token::GroupType::Code - Represent one of the embedded code indicators SYNOPSIS
use PPIx::Regexp::Dumper; PPIx::Regexp::Dumper->new( 'qr{(?{print "hello world! ")}smx' ) ->print(); INHERITANCE
"PPIx::Regexp::Token::GroupType::Code" is a PPIx::Regexp::Token::GroupType. "PPIx::Regexp::Token::GroupType::Code" has no descendants. DESCRIPTION
This method represents one of the embedded code indicators, either '?' or '??', in the zero-width assertion (?{ print "Hello, world! " }) or the old-style deferred expression syntax my $foo; $foo = qr{ foo (??{ $foo }) }smx; METHODS
This class provides no public methods beyond those provided by its superclass. SUPPORT
Support is by the author. Please file bug reports at <http://rt.cpan.org>, or in electronic mail to the author. AUTHOR
Thomas R. Wyant, III wyant at cpan dot org COPYRIGHT AND LICENSE
Copyright (C) 2009-2012 by Thomas R. Wyant, III This program is free software; you can redistribute it and/or modify it under the same terms as Perl 5.10.0. For more details, see the full text of the licenses in the directory LICENSES. 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. perl v5.14.2 2012-06-06 PPIx::Regexp::Token::GroupType::Code(3pm)
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