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package Log::Saftpresse; |
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use Moose; |
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# ABSTRACT: a modular logfile analyzer |
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our $VERSION = '1.5'; # VERSION |
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use Log::Saftpresse::Log4perl; |
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use Log::Saftpresse::Config; |
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use Log::Saftpresse::Analyzer; |
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use Log::Saftpresse::Slurp; |
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use Log::Saftpresse::CounterOutputs; |
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use Log::Saftpresse::Outputs; |
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has 'config' => ( |
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is => 'ro', isa => 'Log::Saftpresse::Config', lazy => 1, |
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default => sub { Log::Saftpresse::Config->new }, |
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handles => [ 'load_config' ], |
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); |
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has 'slurp' => ( |
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is => 'ro', isa => 'Log::Saftpresse::Slurp', lazy => 1, |
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default => sub { Log::Saftpresse::Slurp->new }, |
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); |
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has 'analyzer' => ( |
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is => 'ro', isa => 'Log::Saftpresse::Analyzer', lazy => 1, |
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default => sub { Log::Saftpresse::Analyzer->new }, |
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); |
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has 'counter_outputs' => ( |
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is => 'ro', isa => 'Log::Saftpresse::CounterOutputs', lazy => 1, |
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default => sub { Log::Saftpresse::CounterOutputs->new }, |
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); |
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has 'outputs' => ( |
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is => 'ro', isa => 'Log::Saftpresse::Outputs', lazy => 1, |
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default => sub { Log::Saftpresse::Outputs->new }, |
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); |
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has 'flush_interval' => ( is => 'rw', isa => 'Maybe[Int]' ); |
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has '_last_flush_counters' => ( |
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is => 'rw', isa => 'Int', |
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default => sub { time }, |
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); |
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sub init { |
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my $self = shift; |
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my $config = $self->config; |
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0
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Log::Saftpresse::Log4perl->init( |
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$config->get('logging', 'level'), |
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$config->get('logging', 'file'), |
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); |
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0
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$self->flush_interval( $config->get('counters', 'flush_interval') ); |
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0
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$self->slurp->load_config( $config->get_node('Input') ); |
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$self->analyzer->load_config( $config->get_node('Plugin') ); |
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0
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$self->counter_outputs->load_config( $config->get_node('CounterOutput') ); |
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$self->outputs->load_config( $config->get_node('Output') ); |
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0
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return; |
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} |
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68
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sub _need_flush_counters { |
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0
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my $self = shift; |
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71
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0
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if( ! defined $self->flush_interval |
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|| $self->flush_interval < 1 ) { |
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0
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return 0; |
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} |
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0
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my $next_flush = $self->_last_flush_counters + $self->flush_interval; |
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0
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0
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if( time < $next_flush ) { |
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0
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return 0; |
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} |
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0
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return 1; |
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} |
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84
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sub _flushed_counters { |
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0
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my $self = shift; |
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$self->_last_flush_counters( time ); |
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0
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return; |
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} |
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90
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91
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sub run { |
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0
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1
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my $self = shift; |
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0
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my $slurp = $self->slurp; |
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0
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my $last_flush = time; |
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96
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0
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$log->info('entering main loop'); |
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0
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for(;;) { # main loop |
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my $events; |
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0
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0
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if( $slurp->can_read(1) ) { |
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$log->debug('checking for new input...'); |
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$events = $slurp->read_events; |
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foreach my $event ( @$events ) { |
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$self->analyzer->process_event( $event ); |
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} |
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} |
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0
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0
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if( scalar @$events ) { |
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$log->debug('sending '.scalar(@$events).' events to outputs...'); |
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$self->outputs->output( @$events ); |
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} |
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111
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0
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0
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if( $self->_need_flush_counters ){ |
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$log->debug('flushing counters...'); |
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0
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$self->counter_outputs->output( |
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$self->analyzer->get_all_counters ); |
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0
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$self->_flushed_counters; |
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} |
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} |
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119
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0
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return; |
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} |
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123
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1; |
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125
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__END__ |
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=pod |
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129
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=encoding UTF-8 |
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=head1 NAME |
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133
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Log::Saftpresse - a modular logfile analyzer |
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135
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=head1 VERSION |
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137
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version 1.5 |
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139
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=head1 Description |
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141
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This is the central class of the saftpresse log analyzer. |
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143
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=head1 Synopsis |
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145
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use Log::Saftpresse; |
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147
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my $saft = Log:::Saftpresse->new; |
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149
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$saft->load_config( $path ); |
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$saft->init; |
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152
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# start main loop |
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$saft->run; |
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155
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=head1 Attributes |
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157
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=head2 config( L<Log::Saftpresse::Config>) |
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159
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Holds the configuration. |
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161
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=head2 slurp( L<Log::Saftpresse::Slurp> ) |
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163
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Holds the slurp class implementing the input. |
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165
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=head2 analyzer( L<Log::Saftpresse::Analyzer> ) |
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167
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Holds the analyzer object which controls the processing plugins. |
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169
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=head2 counter_outputs( L<Log::Saftpresse::CounterOutputs> ) |
170
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171
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Holds the counter output object which controls output of metrics. |
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173
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=head2 outputs( L<Log::Saftpresse::Outputs> ) |
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175
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Holds the Outputs plugin which controls the event output. |
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177
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=head2 flush_interval( $seconds ) |
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179
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How often to flush metrics to CounterOutputs. |
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181
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=head1 Methods |
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183
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=head2 init |
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185
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Initialize saftpresse as configured in config file. |
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187
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Will load slurp, analyzer, counter_outputs, outputs and flush_interval |
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from configuration. |
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190
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=head2 run |
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192
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Run the main loop of saftpresse. |
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194
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=head1 See also |
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196
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=over |
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198
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=item L<Log::Saftpresse::App> |
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200
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Commandline glue for this class. |
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202
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=item bin/saftpresse |
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204
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Commandline interface of saftpresse with end-user docs. |
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206
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=back |
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208
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=head1 AUTHOR |
209
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210
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Markus Benning <ich@markusbenning.de> |
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212
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=head1 COPYRIGHT AND LICENSE |
213
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214
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This software is Copyright (c) 1998 by James S. Seymour, 2015 by Markus Benning. |
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216
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This is free software, licensed under: |
217
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218
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The GNU General Public License, Version 2, June 1991 |
219
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220
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=cut |