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287573
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use Renard::Incunabula::Common::Setup; |
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package Renard::API::MuPDF::mutool::DateObject; |
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# ABSTRACT: An object to store the date |
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$Renard::API::MuPDF::mutool::DateObject::VERSION = '0.006'; |
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22597
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use Moo; |
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2913
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use Renard::Incunabula::Common::Types qw(Str HashRef InstanceOf); |
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156379
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8251
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use overload '""' => \&stringify, eq => \&_string_eq; |
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has string => ( |
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is => 'ro', |
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isa => Str, |
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required => 1, |
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); |
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has data => ( |
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is => 'lazy', |
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isa => HashRef, |
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); |
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method _build_data() { |
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my $date_string = $self->string; |
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# § 3.8.3 Dates (pg. 160) |
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# (D:YYYYMMDDHHmmSSOHH'mm') |
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# where |
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my $date_re = qr/ |
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(?<Prefix>D:)? |
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(?<Year> \d{4} ) # YYYY is the year |
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(?<Month> \d{2} )? # MM is the month |
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(?<Day> \d{2} )? # DD is the day (01–31) |
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(?<Hour> \d{2} )? # HH is the hour (00–23) |
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(?<Minute> \d{2} )? # mm is the minute (00–59) |
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(?<Second> \d{2} )? # SS is the second (00–59) |
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(?<TzOffset> [-+Z] )? # O is the relationship of local time |
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# to Universal Time (UT), denoted by |
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# one of the characters +, −, |
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# or Z (see below) |
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(?<TzHourW> |
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(?<TzHour> \d{2}) |
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' |
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)? # HH followed by ' is the absolute |
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# value of the offset from UT in hours |
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# (00–23) |
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(?<TzMinuteW> |
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(?<TzMinute> \d{2}) |
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' |
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)? # mm followed by ' is the absolute |
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# value of the offset from UT in |
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# minutes (00–59) |
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/x; |
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my $time = {}; |
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die "Not a date string" unless $date_string =~ $date_re; |
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2258
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$time->{year} = $+{Year}; |
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1217
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454
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$time->{month} = $+{Month} // '01'; |
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$time->{day} = $+{Day} // '01'; |
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$time->{hour} = $+{Hour} // '00'; |
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$time->{minute} = $+{Minute} // '00'; |
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$time->{second} = $+{Second} // '00'; |
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if( exists $+{TzOffset} ) { |
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$time->{tz}{offset} = $+{TzOffset}; |
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$time->{tz}{hour} = $+{TzHour} // '00'; |
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$time->{tz}{minute} = $+{TzMinute} // '00'; |
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} |
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86
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$time; |
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} |
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451939
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method as_DateTime() :ReturnType(InstanceOf['DateTime']) { |
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eval { require DateTime; 1 } or die "require DateTime"; |
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my $dt_hash = $self->data; |
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my $dt_timezone = 'floating'; |
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if( exists $dt_hash->{tz} ) { |
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if( $dt_hash->{tz}{offset} eq 'Z' ) { |
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$dt_timezone = 'UTC'; # UTC |
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} else { |
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$dt_timezone = join '', ( |
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$dt_hash->{tz}{offset}, # ± |
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$dt_hash->{tz}{hour}, |
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$dt_hash->{tz}{minute}, |
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); |
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} |
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} |
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return DateTime->new( |
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year => $dt_hash->{year}, |
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month => $dt_hash->{month}, |
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day => $dt_hash->{day}, |
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hour => $dt_hash->{hour}, |
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minute => $dt_hash->{minute}, |
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second => $dt_hash->{second}, |
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time_zone => $dt_timezone, |
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); |
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} |
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103
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1
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method stringify() { |
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2
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105
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my $dt_part = sprintf( |
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"%4d-%02d-%02dT%02d:%02d:%02d", |
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$self->data->{year}, |
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$self->data->{month}, |
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$self->data->{day}, |
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$self->data->{hour}, |
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$self->data->{minute}, |
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$self->data->{second}, |
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1
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); |
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my $tz_part = ''; |
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if( exists $self->data->{tz} ) { |
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if( $self->data->{tz}{offset} eq 'Z' ) { |
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0
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$tz_part = 'Z'; # UTC |
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} else { |
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$tz_part = $self->data->{tz}{offset} # ± |
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. $self->data->{tz}{hour} |
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. ":" |
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. $self->data->{tz}{minute}; |
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} |
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} |
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128
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$dt_part . $tz_part; |
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} |
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1
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1281
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fun _string_eq($a, $b, $swap) { |
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"$a" eq "$b"; |
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} |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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146
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Renard::API::MuPDF::mutool::DateObject - An object to store the date |
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148
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=head1 VERSION |
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150
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version 0.006 |
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=head1 EXTENDS |
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154
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=over 4 |
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156
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=item * L<Moo::Object> |
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=back |
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160
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=head1 ATTRIBUTES |
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162
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=head2 string |
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164
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A PDF date string in C<string> which are in the form: |
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166
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D:YYYYMMDDHHmmSSOHH'mm' |
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168
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=head2 data |
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170
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A C<HashRef> in the form |
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172
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Dict[ |
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year => Str, # YYYY |
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month => Str, # MM: 01-12 |
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day => Str, # DD: 01-31 |
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hour => Str, # HH: 00-23 |
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minute => Str, # mm: 00-59 |
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second => Str, # SS: 00-59 |
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181
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tz => Dict[ |
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offset => Str, # O: /[-+Z]/ |
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hour => Str, # HH': 00-59 |
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minute => Str, # mm': 00-59 |
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], |
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] |
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188
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=head1 METHODS |
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190
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=head2 as_DateTime |
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192
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method as_DateTime() :ReturnType(InstanceOf['DateTime']) |
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194
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Returns a L<DateTime> representation of the date. |
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196
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=head2 stringify |
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198
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method stringify() |
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200
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Returns a C<Str> representation of the date. |
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202
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This follows the ISO 8601 format of |
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204
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YYYY-MM-DDThh:mm:ss±hh:mm |
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206
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which includes the timezone (either as an offset C<±hh:mm> or as C<Z> for UTC) |
207
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and using a C<T> separator for the date and time. |
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209
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=head1 AUTHOR |
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211
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Project Renard |
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213
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=head1 COPYRIGHT AND LICENSE |
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215
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This software is copyright (c) 2017 by Project Renard. |
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217
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This is free software; you can redistribute it and/or modify it under |
218
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the same terms as the Perl 5 programming language system itself. |
219
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220
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=cut |