pwr
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apcupsd_pwr
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apcupsd_pwr
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#!/usr/bin/env perl
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use strict;
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use warnings;
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use Carp;
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use Pod::Usage;
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our $APCACCESS = $ENV{apcaccess} || "/sbin/apcaccess";
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our $UPS_MODEL = $ENV{ups_model} || "ES 725";
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our $VERSION = 1.0;
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my %Graph;
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my %Metric;
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MAIN: {
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decide_monitor_type();
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my $mode = $ARGV[0] || "fetch";
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$mode =~ /^-/ && pod2usage();
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### $mode
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eval "do_${mode}();"
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or croak "do_${mode}: $@";
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### end
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exit 0;
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}
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=begin comment
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pct
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LOADPCT is the percentage of load capacity as estimated by the UPS.
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15.0 Percent Load Capacity
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BCHARGE is the percentage charge on the batteries.
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100.0 Percent
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volt
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LINEV is the current line voltage as returned by the UPS.
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102.0 Volts
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BATTV is the battery voltage as supplied by the UPS.
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13.5 Volts
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time
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TIMELEFT is the remaining runtime left on batteries as estimated by the UPS.
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38.4 Minutes
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pwr
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LOADPCT is the percentage of load capacity as estimated by the UPS.
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15.0 Percent Load Capacity
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NOMPOWER
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330 Watts
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LOADMETRIC=LOADPCT/100*NOMPOWER gives realtime power consumption in WATTS
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=end comment
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=cut
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sub decide_monitor_type {
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my $type = $0 =~ /_pct/ ? "pct" :
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$0 =~ /_volt/ ? "volt" :
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$0 =~ /_time/ ? "time" :
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$0 =~ /_pwr/ ? "pwr" : undef
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or croak "unknown monitor type: $0";
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# common
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%Graph = (
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graph_title => "APC Status".($UPS_MODEL?" ($UPS_MODEL)":"")." - ",
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graph_category => "sensors",
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graph_info => "This graph shows information about your APC UPS",
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graph_args => "--base 1000 --lower-limit 0",
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);
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if ($type eq "pct") {
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$Graph{graph_title} .= "Percentage";
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$Graph{graph_vlabel} = "%";
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%Metric =(
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LOADPCT => {
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label => "load capacity pct",
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},
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BCHARGE => {
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label => "charge on the batteries pct",
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},
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);
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} elsif ($type eq "volt") {
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$Graph{graph_title} .= "Voltage";
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$Graph{graph_vlabel} = "Volts";
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%Metric =(
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LINEV => {
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label => "line voltage as returned by the UPS",
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},
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BATTV => {
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label => "battery voltage as supplied by the UPS",
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},
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);
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} elsif ($type eq "time") {
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$Graph{graph_title} .= "Time";
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$Graph{graph_vlabel} = "minutes";
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%Metric =(
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TIMELEFT => {
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label => "remaining runtime left on batteries",
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},
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);
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} elsif ($type eq "pwr") {
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$Graph{graph_title} .= "Power";
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$Graph{graph_vlabel} = "watts";
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%Metric =(
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LOADMETRIC => {
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label => "absolute power consumption",
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},
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);
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}
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}
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sub do_fetch {
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### do_fetch
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my @status_data = retrieve_apcupsd_status()
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or croak "failed: retrieve_apcupsd_status";
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### status_data: \@status_data
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my $status = parse_status_data(@status_data);
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### status: $status
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my $prod_status = proccess_status($status);
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my $FIELD;
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while (my($field,$attr) = each %Metric) {
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$field = lc $field;
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$FIELD = uc $field;
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printf "%s.value %.1f\n", $field, (exists $status->{$FIELD} ? ($status->{$FIELD} =~ /([\d]+\.?[\d]*)/) : ( exists $prod_status->{$FIELD} ? ( $prod_status->{$FIELD} =~ /([\d]+\.?[\d]*)/) : 0 ) );
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}
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return 1;
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}
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sub do_config {
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### do_config
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while (my($k,$v) = each %Graph) {
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printf "%s %s\n", $k, $v;
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}
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while (my($field,$attr) = each %Metric) {
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$field = lc $field;
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while (my($k,$v) = each %$attr) {
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printf "%s.%s %s\n", $field, $k, $v;
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}
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}
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return 1;
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}
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sub do_autoconf {
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### do_config
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print "yes\n";
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}
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sub retrieve_apcupsd_status {
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open my $apc, '-|', $APCACCESS
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or croak $!;
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my @status_data = <$apc>;
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close $apc;
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chomp @status_data;
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return @status_data;
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}
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sub proccess_status {
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my $prod = {};
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my($status) = @_;
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if (exists $status->{NOMPOWER} && exists $status->{LOADPCT}) {
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my $pwr_pct = sprintf "%.1f", ($status->{LOADPCT} =~ /([\d]+\.?[\d]*)/) ;
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my $nom_pwr = sprintf "%.1f", ($status->{NOMPOWER} =~ /([\d]+\.?[\d]*)/) ;
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$prod->{LOADMETRIC} = $pwr_pct/100 * $nom_pwr ;
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}
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return $prod;
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}
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sub parse_status_data {
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my $status = {};
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my($k,$v);
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for (@_) {
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($k,$v) = split /\s*:\s*/, $_, 2;
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$status->{$k} = $v;
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}
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return $status;
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}
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__END__
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=head1 NAME
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B<apcupsd_pct>, B<apcupsd_volt>, B<apcupsd_time>, B<apcupsd_pwr>- munin plugin for APC UPS
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=head1 SYNOPSIS
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B<apcupsd_pct> [ I<config>|I<fetch> ]
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B<apcupsd_volt> [ I<config>|I<fetch> ]
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B<apcupsd_time> [ I<config>|I<fetch> ]
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B<apcupsd_pwr> [ I<config>|I<fetch> ]
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=head1 DESCRIPTION
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munin plugin to monitor APC UPS via apcupsd by apcaccess.
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=head1 INSTALLATION
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cp apcupsd_pct $MUNIN_LIBDIR/plugsin/
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cd YOUR_MUNIN_PLUGINS_DIR
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(make symbolic links different name)
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ln -s $MUNIN_LIBDIR/plugsin/apcupsd_pct apcupsd_pct
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ln -s $MUNIN_LIBDIR/plugsin/apcupsd_pct apcupsd_volt
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ln -s $MUNIN_LIBDIR/plugsin/apcupsd_pct apcupsd_time
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ln -s $MUNIN_LIBDIR/plugsin/apcupsd_pwr apcupsd_pwr
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restart munin-node
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=head1 REPOSITORY
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L<http://github.com/hirose31/munin-apcupsd>
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git clone git://github.com/hirose31/munin-apcupsd.git
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patches and collaborators are welcome.
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=head1 SEE ALSO
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L<http://exchange.munin-monitoring.org/plugins/apcupsd_pct/details>
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L<http://munin.projects.linpro.no/wiki/HowToWritePlugins>,
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L<http://munin.projects.linpro.no/wiki/protocol-config>
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=head1 AUTHOR
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HIROSE, Masaaki E<lt>hirose31 _at_ gmail.comE<gt>
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=head1 CHANGELOG
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* 10/11/2010 - basos - added support for absolute power display
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=head1 COPYRIGHT & LICENSE
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This program is free software; you can redistribute it and/or modify it
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under the same terms as Perl itself.
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=cut
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# for Emacsen
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# Local Variables:
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# mode: cperl
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# cperl-indent-level: 4
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# indent-tabs-mode: nil
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# coding: utf-8
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# End:
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# vi: set ts=4 sw=4 sts=0 :
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