267 lines
6.5 KiB
Perl
Executable file
267 lines
6.5 KiB
Perl
Executable file
#! /usr/bin/perl -W
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#
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# feedlog.pl
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#
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# This script will log headers and other data to a database
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# for further analysis by parsing a feed from INN.
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#
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# It is part of the NewsStats package.
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#
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# Copyright (c) 2010-2012 Thomas Hochstein <thh@inter.net>
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#
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# It can be redistributed and/or modified under the same terms under
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# which Perl itself is published.
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BEGIN {
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our $VERSION = "0.01";
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use File::Basename;
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push(@INC, dirname($0));
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}
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use strict;
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use NewsStats;
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use Sys::Syslog qw(:standard :macros);
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use Date::Format;
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use DBI;
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use Getopt::Long qw(GetOptions);
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Getopt::Long::config ('bundling');
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################################# Subroutines ##################################
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sub PrepareDB {
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### initialise database connection, prepare statement
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### and catch errors
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### IN : \%Conf : reference to configuration hash
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### OUT: $DBHandle: database handle
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### $DBQuery : prepared statement
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our ($DBHandle, $DBQuery, $OptQuiet);
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my ($ConfigR) = @_;
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my %Conf = %$ConfigR;
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# drop current database connection - hard, if necessary
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if ($DBHandle) {
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$DBHandle->disconnect;
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undef $DBHandle;
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};
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# connect to database; try again every 5 seconds
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while (!$DBHandle) {
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$DBHandle = InitDB($ConfigR,0);
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if (!$DBHandle) {
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syslog(LOG_CRIT, 'Database connection failed: %s', $DBI::errstr);
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sleep(5);
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} else {;
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syslog(LOG_NOTICE, "Database connection (re-)established successfully.") if !$OptQuiet;
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}
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};
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$DBQuery = $DBHandle->prepare(sprintf("INSERT INTO %s.%s (day,date,mid,
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timestamp,token,size,peer,path,
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newsgroups,headers)
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VALUES (?,?,?,?,?,?,?,?,?,?)",
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$Conf{'DBDatabase'},
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$Conf{'DBTableRaw'}));
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return ($DBHandle,$DBQuery);
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}
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################################# Main program #################################
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### read commandline options
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my ($OptDebug,$OptQuiet);
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GetOptions ('d|debug!' => \$OptDebug,
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'q|test!' => \$OptQuiet,
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'h|help' => \&ShowPOD,
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'V|version' => \&ShowVersion) or exit 1;
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### read configuration
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my %Conf = %{ReadConfig($HomePath.'/newsstats.conf')};
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### init syslog
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openlog($0, 'nofatal,pid', LOG_NEWS);
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syslog(LOG_NOTICE, "$MyVersion starting up.") if !$OptQuiet;
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### init database
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my ($DBHandle,$DBQuery) = PrepareDB(\%Conf);
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### main loop
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while (<>) {
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chomp;
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# catch empty lines trailing or leading
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if ($_ eq '') {
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next;
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}
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# first line contains: mid, timestamp, token, size, peer, Path, Newsgroups
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my ($Mid, $Timestamp, $Token, $Size, $Peer, $Path, $Newsgroups) = split;
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# remaining lines contain headers
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my $Headers = "";
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while (<>) {
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chomp;
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# empty line terminates this article
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if ($_ eq '') {
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last;
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}
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# collect headers
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$Headers .= $_."\n" ;
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}
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# parse timestamp to day (YYYY-MM-DD) and to MySQL timestamp
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my $Day = time2str("%Y-%m-%d", $Timestamp);
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my $Date = time2str("%Y-%m-%d %H:%M:%S", $Timestamp);
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# write to database
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if (!$DBQuery->execute($Day, $Date, $Mid, $Timestamp, $Token, $Size, $Peer,
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$Path, $Newsgroups, $Headers)) {
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syslog(LOG_ERR, 'Database error %s while processing %s: %s',
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$DBI::err, $Mid, $DBI::errstr);
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# if "MySQL server has gone away", try to recover
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if ($DBI::err == 2006) {
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# try to reconnect to database
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($DBHandle,$DBQuery) = PrepareDB(\%Conf);
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# try to repeat the write attempt as before
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if (!$DBQuery->execute($Day, $Date, $Mid, $Timestamp, $Token, $Size, $Peer,
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$Path, $Newsgroups, $Headers)) {
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syslog(LOG_ERR, '%s was dropped and lost.',$Mid);
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};
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# otherwise log missing posting
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} else {
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syslog(LOG_ERR, '%s was dropped and lost.',$Mid);
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};
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};
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$DBQuery->finish;
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warn sprintf("-----\nDay: %s\nDate: %s\nMID: %s\nTS: %s\nToken: %s\n".
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"Size: %s\nPeer: %s\nPath: %s\nNewsgroups: %s\nHeaders: %s\n",
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$Day, $Date, $Mid, $Timestamp, $Token, $Size, $Peer, $Path,
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$Newsgroups, $Headers) if $OptDebug;
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}
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### close handles
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$DBHandle->disconnect;
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syslog(LOG_NOTICE, "$0 closing down.") if !$OptQuiet;
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closelog();
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__END__
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################################ Documentation #################################
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=head1 NAME
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feedlog - log data from an INN feed to a database
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=head1 SYNOPSIS
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B<feedlog> [B<-Vhdq>]
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=head1 REQUIREMENTS
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See L<doc/README>.
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=head1 DESCRIPTION
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This script will log overview data and complete headers to a database
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table for further examination by parsing a feed from INN. It will
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parse that information and write it to a mysql database table in real
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time.
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All reporting is done to I<syslog> via I<news> facility. If B<feedlog>
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fails to initiate a database connection at startup, it will log to
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I<syslog> with I<CRIT> priority and go in an endless loop, as
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terminating would only result in a rapid respawn.
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=head2 Configuration
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B<feedlog> will read its configuration from F<newsstats.conf> which
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should be present in the same directory via Config::Auto.
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See L<doc/INSTALL> for an overview of possible configuration options.
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=head1 OPTIONS
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=over 3
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=item B<-V>, B<--version>
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Print out version and copyright information and exit.
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=item B<-h>, B<--help>
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Print this man page and exit.
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=item B<-d>, B<--debug>
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Output debugging information to STDERR while parsing STDIN. You'll
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find that information most probably in your B<INN> F<errlog> file.
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=item B<-q>, B<--quiet>
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Suppress logging to syslog.
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=back
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=head1 INSTALLATION
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See L<doc/INSTALL>.
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=head1 EXAMPLES
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Set up a feed like that in your B<INN> F<newsfeeds> file:
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## gather statistics for NewsStats
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newsstats!
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:!*,de.*
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:Tc,WmtfbsPNH,Ac:/path/to/feedlog.pl
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See L<doc/INSTALL> for further information.
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=head1 FILES
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=over 4
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=item F<feedlog.pl>
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The script itself.
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=item F<NewsStats.pm>
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Library functions for the NewsStats package.
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=item F<newsstats.conf>
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Runtime configuration file.
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=back
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=head1 BUGS
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Please report any bugs or feature requests to the author or use the
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bug tracker at L<http://bugs.th-h.de/>!
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=head1 SEE ALSO
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=over 2
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=item -
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L<doc/README>
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=item -
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L<doc/INSTALL>
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=back
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This script is part of the B<NewsStats> package.
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=head1 AUTHOR
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Thomas Hochstein <thh@inter.net>
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=head1 COPYRIGHT AND LICENSE
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Copyright (c) 2010-2012 Thomas Hochstein <thh@inter.net>
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This program is free software; you may 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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