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package XML::Spice; |
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$XML::Spice::VERSION = '0.05'; |
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# ABSTRACT: generating XML has never been so Perly! |
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require 5.008; |
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44771
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use warnings; |
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use strict; |
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use Carp; |
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409
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our $PRETTY_PRINT = 0; |
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sub import { |
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my ($pkg, @args) = @_; |
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my $them = caller(); |
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100
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if (@args) { |
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for my $arg (@args) { |
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croak "Invalid element name '$arg'" if $arg !~ m/^[A-Za-z]\w*$/; |
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{ |
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no strict "refs"; |
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*{$them."::".$arg} = sub { x($arg, @_) }; |
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} |
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} |
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} |
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else { |
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no strict "refs"; |
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*{$them."::x"} = \&x; |
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} |
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} |
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sub x { |
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my ($tag, @args) = @_; |
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my $chunk = { |
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tag => $tag, |
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attrs => {}, |
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}; |
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for my $arg (@args) { |
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if (ref $arg eq "HASH") { |
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for my $key (keys %$arg) { |
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if (!defined $arg->{$key}) { |
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delete $chunk->{attrs}->{$key}; |
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} else { |
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$chunk->{attrs}->{$key} = "".$arg->{$key}; |
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} |
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} |
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} |
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else { |
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push @{$chunk->{sub}}, $arg; |
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} |
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} |
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0
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return bless $chunk, "XML::Spice::Chunk"; |
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} |
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package # hide from PAUSE |
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XML::Spice::Chunk; |
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67
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2
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2
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use warnings; |
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4
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2
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92
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68
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2
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2
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10
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use strict; |
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3
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2
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74
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69
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70
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2
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2
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10
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use Carp; |
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2
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173
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72
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use overload |
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2
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3242
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'""' => \&_xml; |
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2576
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2
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17
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74
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75
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my $TIDY_LOADED; |
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77
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sub _xml { |
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my ($chunk) = @_; |
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if ($PRETTY_PRINT && !defined $TIDY_LOADED) { |
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eval { require XML::Tidy::Tiny }; |
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if ($@) { |
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carp "Couldn't load XML::Tidy::Tiny: $@"; |
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$TIDY_LOADED = 0; |
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} |
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else { |
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$TIDY_LOADED = 1; |
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} |
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} |
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0
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my $WANT_PRETTY = $PRETTY_PRINT && $TIDY_LOADED; |
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return $chunk->{cached} if exists $chunk->{cached} && !$WANT_PRETTY; |
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sub _escape_attr { |
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my ($val) = @_; |
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$val =~ s/'/'/g; |
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return $val; |
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} |
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sub _escape_cdata { |
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my ($val) = @_; |
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$val =~ s/&/&/g; |
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$val =~ s/
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$val =~ s/>/>/g; |
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$val =~ s/"/"/g; |
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$val =~ s/([^\x20-\x7E])/'&#' . ord($1) . ';'/ge; |
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108
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return $val; |
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} |
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111
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sub _serialise { |
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my ($chunk, @things) = @_; |
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114
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my $xml = ''; |
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116
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for my $thing (@things) { |
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next if ! defined $thing; |
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119
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if (ref $thing eq "CODE") { |
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$thing = &{$thing}; |
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121
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122
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0
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if (ref $thing eq "HASH") { |
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for my $key (keys %$thing) { |
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if (!defined $thing->{$key}) { |
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0
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delete $chunk->{attrs}->{$key}; |
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} else { |
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$chunk->{attrs}->{$key} = "".$thing->{$key}; |
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} |
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} |
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0
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undef $thing; |
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} |
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133
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redo; |
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} |
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136
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0
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if (ref $thing eq "ARRAY") { |
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137
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$xml .= $chunk->_serialise(@$thing); |
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} |
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140
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elsif (ref $thing eq "XML::Spice::Chunk") { |
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$xml .= $thing->_xml; |
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} |
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144
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else { |
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next if $thing eq ""; |
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$xml .= _escape_cdata($thing); |
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} |
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} |
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150
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return $xml; |
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} |
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153
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0
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0
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my $subxml = $chunk->_serialise(@{$chunk->{sub}}) if exists $chunk->{sub}; |
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154
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155
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0
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my $xml = "<" . $chunk->{tag}; |
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157
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0
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for my $attr (keys %{$chunk->{attrs}}) { |
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158
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$xml .= " $attr='" . _escape_attr($chunk->{attrs}->{$attr}) . "'"; |
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} |
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161
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0
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0
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if (!defined $subxml) { |
162
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0
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$xml .= "/>"; |
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0
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0
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$chunk->{cached} = $xml unless $WANT_PRETTY; |
164
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0
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0
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return $WANT_PRETTY ? XML::Tidy::Tiny::xml_tidy($xml) : $xml; |
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} |
166
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167
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0
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$xml .= ">" . $subxml . "{tag} . ">"; |
168
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169
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0
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0
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$chunk->{cached} = $xml unless $WANT_PRETTY; |
170
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0
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0
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return $WANT_PRETTY ? XML::Tidy::Tiny::xml_tidy($xml) : $xml; |
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} |
172
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173
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sub forget { |
174
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0
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0
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my ($chunk) = @_; |
175
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176
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0
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delete $chunk->{cached}; |
177
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} |
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179
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1; |
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181
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__END__ |