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Full Discussion: Sort field and uniq
Top Forums Shell Programming and Scripting Sort field and uniq Post 302740127 by sabercats on Wednesday 5th of December 2012 03:15:53 PM
Old 12-05-2012
Thanks all. It also work with
Code:
sort -t\| -k6,6 -u A.txt


Last edited by Franklin52; 12-06-2012 at 04:58 AM.. Reason: Please use code tags for data and code samples
 

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Sort::Key::Register(3pm)				User Contributed Perl Documentation				  Sort::Key::Register(3pm)

NAME
Sort::Key::Register - tell Sort::Key how to sort new data types. SYNOPSYS
use Sort::Key::Register Person => sub { $_->surname, $_->name }, qw(string string); use Sort::Key::Register 'Color::Component' => 'integer'; use Sort::Key::Register Color => sub { $_->R, $_->G, $_->B }, ('Color::Component') x 3; DESCRIPTION
Sort::Key::Register allows one to register new data types with Sort::Key so that they can be sorted as natively supported ones. It works as a pragma module and doesn't export any function, all its functionality is provided via "use": use Sort::Key::Register ... To avoid collisions between modules registering types with the same name, you should qualify them with the package name. use Sort::Key::Register 'MyPkg::foo' => sub { $_ }, '-int'; # or using __PACKAGE__: use Sort::Key::Register __PACKAGE__, sub { $_ }, '-int'; USAGE use Sort::Key::Register $name => &multikeygen, @keytypes; registers type $name. &multikeygen is the multikey extraction function for the type and @keytypes are the types of the extracted keys. use Sort::Key::Register $name => $keytype; this 'use' is useful for simple types that are sorted as another type already registered, maybe changing the direction of the sort (ascending or descending). SEE ALSO
Sort::Key, Sort::Key::Maker. AUTHOR
Salvador Fandin~o, <sfandino@yahoo.com> COPYRIGHT AND LICENSE
Copyright (C) 2005 by Salvador Fandin~o This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.4 or, at your option, any later version of Perl 5 you may have available. perl v5.14.2 2012-06-30 Sort::Key::Register(3pm)
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