12-07-2009
Last two logins script
This is the contents of my file:
donald.duck 12/07/2009 12:07:58
donald.duck 12/07/2009 12:17:36
donald.duck 12/07/2009 12:22:29
donald.duck 12/07/2009 12:26:39
donald.duck 12/07/2009 12:28:01
mickey.mouse 12/07/2009 12:48:49
mickey.mouse 12/07/2009 12:49:33
mickey.mouse 12/07/2009 12:50:04
These are log in times/dates. How can I just keep the last two entries for any specific user only? I want the new output file to read:
donald.duck 12/07/2009 12:26:39
donald.duck 12/07/2009 12:28:01
mickey.mouse 12/07/2009 12:49:33
mickey.mouse 12/07/2009 12:50:04
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LEARN ABOUT MOJAVE
moose::meta::typeconstraint::ducktype5.18
Moose::Meta::TypeConstraint::DuckType(3) User Contributed Perl Documentation Moose::Meta::TypeConstraint::DuckType(3)
NAME
Moose::Meta::TypeConstraint::DuckType - Type constraint for duck typing
VERSION
version 2.1202
DESCRIPTION
This class represents type constraints based on an enumerated list of required methods.
INHERITANCE
"Moose::Meta::TypeConstraint::DuckType" is a subclass of Moose::Meta::TypeConstraint.
METHODS
Moose::Meta::TypeConstraint::DuckType->new(%options)
This creates a new duck type constraint based on the given %options.
It takes the same options as its parent, with several exceptions. First, it requires an additional option, "methods". This should be an
array reference containing a list of required method names. Second, it automatically sets the parent to the "Object" type.
Finally, it ignores any provided "constraint" option. The constraint is generated automatically based on the provided "methods".
$constraint->methods
Returns the array reference of required methods provided to the constructor.
$constraint->create_child_type
This returns a new Moose::Meta::TypeConstraint object with the type as its parent.
Note that it does not return a "Moose::Meta::TypeConstraint::DuckType" object!
BUGS
See "BUGS" in Moose for details on reporting bugs.
AUTHORS
o Stevan Little <stevan.little@iinteractive.com>
o Dave Rolsky <autarch@urth.org>
o Jesse Luehrs <doy@tozt.net>
o Shawn M Moore <code@sartak.org>
o XXXX XXX'XX (Yuval Kogman) <nothingmuch@woobling.org>
o Karen Etheridge <ether@cpan.org>
o Florian Ragwitz <rafl@debian.org>
o Hans Dieter Pearcey <hdp@weftsoar.net>
o Chris Prather <chris@prather.org>
o Matt S Trout <mst@shadowcat.co.uk>
COPYRIGHT AND LICENSE
This software is copyright (c) 2006 by Infinity Interactive, Inc..
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
perl v5.18.2 2014-01-19 Moose::Meta::TypeConstraint::DuckType(3)