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package Proc::ProcessTable::Match::PctMem; |
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use 5.006; |
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use strict; |
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use warnings; |
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=head1 NAME |
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Proc::ProcessTable::Match::PctMem - Check if the memory usage by percent of a process matches. |
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=head1 VERSION |
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Version 0.0.0 |
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=cut |
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our $VERSION = '0.0.0'; |
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=head1 SYNOPSIS |
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use Proc::ProcessTable::Match::PctMem; |
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my %args=( |
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PctMems=>[ |
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0, |
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'>1000', |
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], |
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); |
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my $checker=Proc::ProcessTable::Match::PctMem->new( \%args ); |
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if ( $checker->match( $proc ) ){ |
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print "It matches.\n"; |
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} |
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=head1 METHODS |
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=head2 new |
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This intiates the object. |
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It takes a hash reference with one key. One key is required and |
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that is 'PctMems', which is a array of PctMem values to match. |
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The PctMem values can be prefixed with the equalities below for doing |
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additional comparisons. |
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< |
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<= |
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> |
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>= |
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! |
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Atleast one value must be specified. |
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If the new method fails, it dies. |
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my %args=( |
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pctmems=>[ |
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0, |
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'>1000', |
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], |
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); |
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my $checker=Proc::ProcessTable::Match::PctMem->new( \%args ); |
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=cut |
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sub new{ |
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my %args; |
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if(defined($_[1])){ |
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%args= %{$_[1]}; |
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}; |
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# run some basic checks to make sure we have the minimum stuff required to work |
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if ( ! defined( $args{pctmems} ) ){ |
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die ('No pctmems key specified in the argument hash'); |
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} |
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if ( ref( \$args{pctmems} ) eq 'ARRAY' ){ |
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die ('The pctmems key is not a array'); |
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} |
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if ( ! defined $args{pctmems}[0] ){ |
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die ('Nothing defined in the pctmems array'); |
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} |
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my $self = { |
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pctmems=>$args{pctmems}, |
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physmem=>undef, |
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}; |
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bless $self; |
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if ( $^O =~ /bsd/ ){ |
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$self->{physmem}=`/sbin/sysctl -a hw.physmem`; |
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chomp( $self->{physmem} ); |
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$self->{physmem}=~s/^.*\: //; |
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} |
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return $self; |
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} |
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=head2 match |
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Checks if a single Proc::ProcessTable::Process object matches the stack. |
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One argument is taken and that is a Proc::ProcessTable::Process object. |
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The returned value is a boolean. |
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if ( $checker->match( $proc ) ){ |
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print "The process matches.\n"; |
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} |
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=cut |
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sub match{ |
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my $self=$_[0]; |
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my $object=$_[1]; |
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if ( !defined( $object ) ){ |
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return 0; |
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} |
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if ( ref( $object ) ne 'Proc::ProcessTable::Process' ){ |
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return 0; |
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} |
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my $proc_pctmem; |
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if ($^O =~ /bsd/){ |
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eval{ |
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$proc_pctmem=(($object->{rssize} * 1024 * 4 ) / $self->{physmem}) * 100; |
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} |
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}else{ |
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eval{ |
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$proc_pctmem=$object->pctmem; |
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}; |
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} |
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# don't bother proceeding, the object won't match ever |
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# as it does not have a PctMem |
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if ( ! defined( $proc_pctmem ) ){ |
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return 0; |
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} |
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# use while as foreach will reference the value |
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my $pctmem_int=0; |
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while (defined( $self->{pctmems}[$pctmem_int] )){ |
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my $pctmem=$self->{pctmems}[$pctmem_int]; |
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if ( |
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( $pctmem =~ /^[0-9.]+$/ ) && |
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( $pctmem eq $proc_pctmem ) |
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){ |
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return 1; |
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}elsif( $pctmem =~ /^\<\=[0-9.]+$/ ){ |
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$pctmem=~s/^\<\=//; |
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if ( $proc_pctmem <= $pctmem ){ |
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return 1; |
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} |
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}elsif( $pctmem =~ /^\<[0-9.]+$/ ){ |
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$pctmem=~s/^\/; |
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if ( $proc_pctmem < $pctmem ){ |
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return 1; |
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} |
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}elsif( $pctmem =~ /^\>\=[0-9.]+$/ ){ |
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$pctmem=~s/^\>\=//; |
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if ( $proc_pctmem >= $pctmem ){ |
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return 1; |
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} |
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}elsif( $pctmem =~ /^\>[0-9.]+$/ ){ |
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$pctmem=~s/^\>//; |
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if ( $proc_pctmem > $pctmem ){ |
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return 1; |
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} |
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}elsif( $pctmem =~ /^\![0-9.]+$/ ){ |
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$pctmem=~s/^\!//; |
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if ( $proc_pctmem ne $pctmem ){ |
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return 1; |
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} |
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} |
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$pctmem_int++; |
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} |
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return 0; |
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} |
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=head1 AUTHOR |
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Zane C. Bowers-Hadley, C<< >> |
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=head1 BUGS |
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Please report any bugs or feature requests to C, or through |
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the web interface at L. I will be notified, and then you'll |
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automatically be notified of progress on your bug as I make changes. |
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=head1 SUPPORT |
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201
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You can find documentation for this module with the perldoc command. |
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perldoc Proc::ProcessTable::Match |
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You can also look for information at: |
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=over 4 |
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=item * RT: CPAN's request tracker (report bugs here) |
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L |
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214
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=item * AnnoCPAN: Annotated CPAN documentation |
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L |
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=item * CPAN Ratings |
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L |
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222
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=item * Search CPAN |
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L |
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=back |
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229
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=head1 ACKNOWLEDGEMENTS |
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232
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=head1 LICENSE AND COPYRIGHT |
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234
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Copyright 2019 Zane C. Bowers-Hadley. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms of the the Artistic License (2.0). You may obtain a |
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copy of the full license at: |
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L |
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Any use, modification, and distribution of the Standard or Modified |
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Versions is governed by this Artistic License. By using, modifying or |
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distributing the Package, you accept this license. Do not use, modify, |
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or distribute the Package, if you do not accept this license. |
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If your Modified Version has been derived from a Modified Version made |
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by someone other than you, you are nevertheless required to ensure that |
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your Modified Version complies with the requirements of this license. |
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This license does not grant you the right to use any trademark, service |
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mark, tradename, or logo of the Copyright Holder. |
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This license includes the non-exclusive, worldwide, free-of-charge |
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patent license to make, have made, use, offer to sell, sell, import and |
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otherwise transfer the Package with respect to any patent claims |
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licensable by the Copyright Holder that are necessarily infringed by the |
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Package. If you institute patent litigation (including a cross-claim or |
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counterclaim) against any party alleging that the Package constitutes |
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direct or contributory patent infringement, then this Artistic License |
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to you shall terminate on the date that such litigation is filed. |
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Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER |
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AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES. |
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THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY |
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YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR |
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CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR |
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CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE, |
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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=cut |
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1; # End of Proc::ProcessTable::Match |