[15074] | 1 | #!/usr/bin/perl -w
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[8858] | 2 |
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| 3 |
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| 4 | BEGIN {
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| 5 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 6 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 7 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/plugins");
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| 8 | }
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| 9 |
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[10338] | 10 | use strict;
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| 11 | no strict 'subs'; # allow barewords (eg STDERR) as function arguments
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| 12 | no strict 'refs'; # allow filehandles to be variables and vice versa
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[10999] | 13 |
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| 14 | use encodings;
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[10338] | 15 | use printusage;
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| 16 | use parse2;
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[12290] | 17 | use FileHandle;
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[8858] | 18 |
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[16790] | 19 | use File::Spec;
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| 20 | use File::Basename;
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| 21 |
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[9121] | 22 | my $unicode_list =
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| 23 | [ { 'name' => "auto",
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| 24 | 'desc' => "{BasPlug.input_encoding.auto}" },
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| 25 | { 'name' => "ascii",
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| 26 | 'desc' => "{BasPlug.input_encoding.ascii}" },
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| 27 | { 'name' => "utf8",
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| 28 | 'desc' => "{BasPlug.input_encoding.utf8}" },
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| 29 | { 'name' => "unicode",
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| 30 | 'desc' => "{BasPlug.input_encoding.unicode}" } ];
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[8858] | 31 |
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[10999] | 32 | my $e = $encodings::encodings;
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| 33 | foreach my $enc (sort {$e->{$a}->{'name'} cmp $e->{$b}->{'name'}} keys (%$e))
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| 34 | {
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| 35 | my $hashEncode =
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| 36 | {'name' => $enc,
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| 37 | 'desc' => $e->{$enc}->{'name'}};
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| 38 |
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| 39 | push(@{$unicode_list},$hashEncode);
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| 40 | }
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| 41 |
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[9041] | 42 | my $arguments =
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[10338] | 43 | [
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[10470] | 44 | { 'name' => "language",
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| 45 | 'desc' => "{scripts.language}",
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| 46 | 'type' => "string",
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[10471] | 47 | 'reqd' => "no",
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| 48 | 'hiddengli' => "yes" },
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[10338] | 49 | { 'name' => "plugin",
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| 50 | 'desc' => "{explode.plugin}",
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| 51 | 'type' => "string",
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| 52 | 'reqd' => "yes",
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| 53 | 'hiddengli' => "yes"},
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| 54 | { 'name' => "input_encoding",
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[9041] | 55 | 'desc' => "{explode.encoding}",
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[9121] | 56 | 'type' => "enum",
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[9147] | 57 | 'deft' => "auto",
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[9121] | 58 | 'list' => $unicode_list,
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[9147] | 59 | 'reqd' => "no" },
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[9041] | 60 | { 'name' => "metadata_set",
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| 61 | 'desc' => "{explode.metadata_set}",
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| 62 | 'type' => "string",
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[11342] | 63 | 'reqd' => "no" },
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[9147] | 64 | { 'name' => "document_field",
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| 65 | 'desc' => "{explode.document_field}",
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| 66 | 'type' => "string",
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| 67 | 'reqd' => "no"},
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| 68 | { 'name' => "document_prefix",
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| 69 | 'desc' => "{explode.document_prefix}",
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| 70 | 'type' => "string",
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| 71 | 'reqd' => "no"},
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| 72 | { 'name' => "document_suffix",
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| 73 | 'desc' => "{explode.document_suffix}",
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| 74 | 'type' => "string",
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| 75 | 'reqd' => "no"},
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[12706] | 76 | { 'name' => "records_per_folder",
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| 77 | 'desc' => "{explode.records_per_folder}",
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| 78 | 'type' => "int",
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| 79 | 'range' => "0,",
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| 80 | 'deft' => "100",
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| 81 | 'reqd' => "no" },
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[10338] | 82 | { 'name' => "verbosity",
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| 83 | 'desc' => "{import.verbosity}",
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| 84 | 'type' => "int",
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| 85 | 'range' => "0,",
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| 86 | 'deft' => "1",
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| 87 | 'reqd' => "no",
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| 88 | 'modegli' => "4" },
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| 89 | { 'name' => "xml",
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| 90 | 'desc' => "",
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| 91 | 'type' => "flag",
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| 92 | 'reqd' => "no",
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| 93 | 'hiddengli' => "yes" }
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[9041] | 94 | ];
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| 95 |
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| 96 | my $options = { 'name' => "explode_metadata_database.pl",
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| 97 | 'desc' => "{explode.desc}",
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| 98 | 'args' => $arguments };
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[8858] | 99 |
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[16790] | 100 |
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| 101 |
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[8858] | 102 | sub main
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| 103 | {
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[11350] | 104 | my ($language, $input_encoding, $metadata_set, $plugin,
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[12706] | 105 | $document_field, $document_prefix, $document_suffix, $records_per_folder, $verbosity);
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[9041] | 106 |
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[9147] | 107 | my $xml = 0;
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[10338] | 108 |
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| 109 | my $hashParsingResult = {};
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| 110 | # parse the options
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| 111 | my $intArgLeftinAfterParsing = parse2::parse(\@ARGV,$arguments,$hashParsingResult,"allow_extra_options");
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| 112 |
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[12545] | 113 | # If parse returns -1 then something has gone wrong
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| 114 | if ($intArgLeftinAfterParsing == -1)
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| 115 | {
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| 116 | &PrintUsage::print_txt_usage($options, "{explode.params}");
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| 117 | die "\n";
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| 118 | }
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| 119 |
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[10338] | 120 | foreach my $strVariable (keys %$hashParsingResult)
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| 121 | {
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| 122 | eval "\$$strVariable = \$hashParsingResult->{\"\$strVariable\"}";
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| 123 | }
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[10470] | 124 |
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[9147] | 125 | # If $language has been specified, load the appropriate resource bundle
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| 126 | # (Otherwise, the default resource bundle will be loaded automatically)
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[10338] | 127 | if ($language && $language =~ /\S/) {
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[9147] | 128 | &gsprintf::load_language_specific_resource_bundle($language);
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| 129 | }
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[8858] | 130 |
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[9147] | 131 | if ($xml) {
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| 132 | &PrintUsage::print_xml_usage($options);
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| 133 | print "\n";
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| 134 | return;
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| 135 | }
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| 136 |
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[16790] | 137 |
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[12545] | 138 | # There should one arg left after parsing (the filename)
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| 139 | # Or the user may have specified -h, in which case we output the usage
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| 140 | if($intArgLeftinAfterParsing != 1 || (@ARGV && $ARGV[0] =~ /^\-+h/))
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[10470] | 141 | {
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| 142 | &PrintUsage::print_txt_usage($options, "{explode.params}");
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| 143 | die "\n";
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| 144 | }
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| 145 |
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[8858] | 146 | # The metadata database filename is the first value that remains after the options have been parsed out
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| 147 | my $filename = $ARGV[0];
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[9041] | 148 | if (!defined $filename || $filename !~ /\w/) {
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| 149 | &PrintUsage::print_txt_usage($options, "{explode.params}");
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| 150 | print STDERR "You need to specify a filename";
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| 151 | die "\n";
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| 152 | }
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| 153 | # check that file exists
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| 154 | if (!-e $filename) {
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| 155 | print STDERR "File $filename doesn't exist...\n";
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| 156 | die "\n";
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| 157 | }
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| 158 | # check required options
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| 159 | if (!defined $plugin || $plugin !~ /\w/) {
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| 160 | &PrintUsage::print_txt_usage($options, "{explode.params}");
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| 161 | print STDERR "You need to specify a plugin";
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| 162 | die "\n";
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| 163 | }
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| 164 |
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| 165 | # check metadata set
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| 166 | if (defined $metadata_set && $metadata_set =~ /\w/) {
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| 167 | $metadata_set .= ".";
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| 168 | } else {
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| 169 | $metadata_set = "";
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| 170 | }
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[8858] | 171 |
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| 172 | my $plugobj;
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| 173 | require "$plugin.pm";
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| 174 | eval ("\$plugobj = new $plugin()");
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| 175 | die "$@" if $@;
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| 176 |
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| 177 | # ...and initialize it
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| 178 | $plugobj->init(1, "STDERR", "STDERR");
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[9121] | 179 |
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[10338] | 180 | if ($input_encoding eq "auto") {
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| 181 | ($language, $input_encoding) = $plugobj->textcat_get_language_encoding ($filename);
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[9121] | 182 | }
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[12873] | 183 |
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[8858] | 184 | # Create a directory to store the document files...
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[16790] | 185 | my ($exploded_base_dir) = ($filename =~ /(.*)\.[^\.]+$/);
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[8858] | 186 |
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[16790] | 187 | my $orig_base_dir = &File::Basename::dirname($filename);
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| 188 |
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| 189 |
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[8858] | 190 | my $split_exp = $plugobj->{'split_exp'};
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[16790] | 191 | if (defined $split_exp) {
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| 192 | # Read in file, and then split and process individual records
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[8858] | 193 |
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[16790] | 194 | my $text = "";
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| 195 | # Use the plugin's read_file function to avoid duplicating code
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| 196 | $plugobj->read_file($filename, $input_encoding, undef, \$text);
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| 197 | # is there any text in the file??
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| 198 | die "\n" unless length($text);
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[12706] | 199 |
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[16790] | 200 | # Split the text into records, using the plugin's split_exp
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[12706] | 201 |
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[16790] | 202 | my @metadata_records = split(/$split_exp/, $text);
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| 203 | print STDERR "Number of records: " . scalar(@metadata_records) . "\n";
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| 204 |
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| 205 | # Write the metadata from each record to the metadata.xml file
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| 206 | my $record_number = 1;
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| 207 | foreach my $record_text (@metadata_records) {
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| 208 |
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| 209 | # Check if we need to start a new directory for these records
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| 210 | my $documents_directory;
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| 211 | check_need_new_directory($exploded_base_dir,$record_number,$records_per_folder,
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| 212 | \@metadata_records,\$documents_directory);
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| 213 |
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| 214 | # Use the plugin's process function to avoid duplicating code
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| 215 | my $doc_obj = new doc($filename, "nonindexed_doc");
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| 216 | $plugobj->process(\$record_text, undef, undef, $filename, undef, $doc_obj, 0);
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| 217 |
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| 218 |
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| 219 | # Try to get a doc to attach the metadata to
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| 220 | # If no match found, create a dummy .nul file
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| 221 | attach_metadata_or_nul_doc($document_field, $doc_obj, $record_number,
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| 222 | $documents_directory, $orig_base_dir,
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| 223 | $document_prefix, $document_suffix, $metadata_set, $verbosity);
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| 224 |
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| 225 |
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| 226 | check_close_directory($record_number,$records_per_folder,\@metadata_records);
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| 227 |
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| 228 | $record_number = $record_number + 1;
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[12706] | 229 | }
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[16790] | 230 | }
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| 231 | else {
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| 232 | # Call metadata_read to sets up associated metadata
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[12706] | 233 |
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[16790] | 234 | my $pluginfo = undef;
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| 235 | my $metadata = {};
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| 236 |
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| 237 | my $processor = undef;
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| 238 | my $maxdocs = undef;
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| 239 | my $gli = undef;
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| 240 |
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| 241 | my $extrametakeys = {};
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| 242 | my $extrametadata = {};
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| 243 |
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| 244 |
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| 245 | $plugobj->metadata_read($pluginfo, "", $filename, $metadata,
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| 246 | $extrametakeys, $extrametadata, $processor, $maxdocs, $gli);
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| 247 |
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| 248 |
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| 249 | my $documents_directory = need_new_directory($exploded_base_dir);
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| 250 |
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| 251 | # Attach metadata to object
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| 252 | # => use the plugin's extra_metadata function to avoid duplicating code
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[8858] | 253 | my $doc_obj = new doc($filename, "nonindexed_doc");
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[12873] | 254 |
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[16790] | 255 | $plugobj->extra_metadata ($doc_obj, $doc_obj->get_top_section(), $metadata);
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| 256 |
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| 257 | # Try to get a doc to attach the metadata to
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| 258 | # If no match found, create a dummy .nul file
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| 259 | attach_metadata_or_make_nul_doc($document_field, $doc_obj, undef,
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| 260 | $documents_directory, $orig_base_dir,
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| 261 | $document_prefix, $document_suffix, $metadata_set, $verbosity);
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| 262 |
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| 263 |
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| 264 | close_directory();
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| 265 | }
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| 266 |
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| 267 |
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| 268 | # Explode means just that: the original file is deleted
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| 269 | &util::rm($filename);
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| 270 | $plugobj->clean_up_after_exploding();
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| 271 |
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| 272 | }
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| 273 |
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| 274 |
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| 275 | sub need_new_directory
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| 276 | {
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| 277 | my ($exploded_base_dir) = @_;
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| 278 |
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| 279 | my $documents_directory = $exploded_base_dir;
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| 280 |
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| 281 | if (-d $documents_directory) {
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| 282 | die "Error: document directory $documents_directory already exists (bailing).\n";
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| 283 | }
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| 284 | &util::mk_dir($documents_directory);
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| 285 |
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| 286 | my $documents_metadata_xml_file = &util::filename_cat($documents_directory, "metadata.xml");
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| 287 | if (-e $documents_metadata_xml_file) {
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| 288 | die "Error: documents metadata.xml file $documents_metadata_xml_file already exists (bailing).\n";
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| 289 | }
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| 290 |
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| 291 | # Start the metadata.xml file
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| 292 | open(METADATA_XML_FILE, ">$documents_metadata_xml_file");
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| 293 | print METADATA_XML_FILE
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| 294 | "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\"?>\n" .
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| 295 | "<!DOCTYPE DirectoryMetadata SYSTEM \"http://greenstone.org/dtd/DirectoryMetadata/1.0/DirectoryMetadata.dtd\">\n" .
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| 296 | "<DirectoryMetadata>\n";
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| 297 |
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| 298 | return $documents_directory;
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| 299 | }
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| 300 |
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| 301 | sub check_need_new_directory
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| 302 | {
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| 303 | my ($exploded_base_dir,$record_number, $records_per_folder,$metadata_records,
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| 304 | $documents_dir_ref) = @_;
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| 305 |
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| 306 |
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| 307 | # Check if we need to start a new directory for these records
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| 308 | if (($record_number % $records_per_folder) == 1) {
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| 309 | my $documents_directory = $exploded_base_dir;
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| 310 |
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| 311 | if (scalar(@$metadata_records) > $records_per_folder) {
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| 312 | $documents_directory .= "." . sprintf("%8.8d", $record_number);
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| 313 | }
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| 314 |
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| 315 | $$documents_dir_ref = need_new_directory($documents_directory);
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| 316 | }
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| 317 | }
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| 318 |
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| 319 |
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| 320 |
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| 321 |
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| 322 |
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| 323 | sub attach_metadata_or_make_nul_doc
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| 324 | {
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| 325 | my ($document_field, $doc_obj, $record_number,
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| 326 | $documents_directory, $orig_base_dir,
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| 327 | $document_prefix, $document_suffix, $metadata_set, $verbosity) = @_;
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| 328 |
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| 329 | my $record_metadata = $doc_obj->get_all_metadata($doc_obj->get_top_section());
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| 330 | my $document_file;
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| 331 |
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| 332 | # try to get a doc to attach the metadata to
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| 333 | if (defined $document_field) {
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| 334 | foreach my $pair (@$record_metadata) {
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| 335 | my ($field, $value) = (@$pair);
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| 336 |
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| 337 | $value =~ s/\\\\/\\/g;
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| 338 |
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| 339 | # Does this metadata element specify a document to obtain?
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| 340 | if ($field eq $document_field) {
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| 341 | my $document_file_full = $document_prefix . $value . $document_suffix;
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| 342 |
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| 343 | $document_file = &obtain_document($document_file_full, $documents_directory, $orig_base_dir, $verbosity);
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| 344 | &write_metadata_xml_file_entry(METADATA_XML_FILE, $document_file, $record_metadata, $metadata_set);
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[9147] | 345 | }
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| 346 | }
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[16790] | 347 | }
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| 348 |
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| 349 | # Create a dummy .nul file if we haven't obtained any documents for this record
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| 350 | if (not defined $document_file) {
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| 351 |
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| 352 | if (defined ($record_number)) {
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[11705] | 353 | $document_file = sprintf("%8.8d", $record_number) . ".nul";
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[9041] | 354 | }
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[16790] | 355 | else {
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| 356 | $document_file = "doc.nul";
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| 357 | }
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[8858] | 358 |
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[16790] | 359 | open(DUMMY_FILE, ">$documents_directory/$document_file");
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| 360 | close(DUMMY_FILE);
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| 361 | &write_metadata_xml_file_entry(METADATA_XML_FILE, $document_file, $record_metadata, $metadata_set);
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[8858] | 362 | }
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| 363 |
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| 364 | }
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| 365 |
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[16790] | 366 | sub close_directory
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| 367 | {
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| 368 | # Finish and close the metadata.xml file
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| 369 | print METADATA_XML_FILE "\n</DirectoryMetadata>\n";
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| 370 | close(METADATA_XML_FILE);
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[8858] | 371 |
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[16790] | 372 | }
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| 373 |
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| 374 |
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| 375 | sub check_close_directory
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| 376 | {
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| 377 | my ($record_number,$records_per_folder,$metadata_records) = @_;
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| 378 |
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| 379 | if (($record_number % $records_per_folder) == 0 || $record_number == scalar(@$metadata_records)) {
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| 380 | # Finish and close the metadata.xml file
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| 381 | close_directory();
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| 382 | }
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| 383 | }
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| 384 |
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| 385 |
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| 386 |
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[8858] | 387 | sub write_metadata_xml_file_entry
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| 388 | {
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| 389 | my $metadata_xml_file = shift(@_);
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| 390 | my $file_name = shift(@_);
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| 391 | my $record_metadata = shift(@_);
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[9041] | 392 | my $meta_prefix = shift(@_);
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| 393 |
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[8858] | 394 | # Make $file_name XML-safe
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[12878] | 395 | $file_name =~ s/&/&/g;
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[8858] | 396 | $file_name =~ s/</</g;
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| 397 | $file_name =~ s/>/>/g;
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| 398 |
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| 399 | # Convert $file_name into a regular expression that matches it
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| 400 | $file_name =~ s/\./\\\./g;
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| 401 | $file_name =~ s/\(/\\\(/g;
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| 402 | $file_name =~ s/\)/\\\)/g;
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| 403 | $file_name =~ s/\{/\\\{/g;
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| 404 | $file_name =~ s/\}/\\\}/g;
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| 405 | $file_name =~ s/\[/\\\[/g;
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| 406 | $file_name =~ s/\]/\\\]/g;
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[9119] | 407 |
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[8858] | 408 | print $metadata_xml_file
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| 409 | "\n" .
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| 410 | " <FileSet>\n" .
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| 411 | " <FileName>$file_name</FileName>\n" .
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| 412 | " <Description>\n";
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| 413 |
|
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| 414 | foreach my $pair (@$record_metadata) {
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| 415 | my ($field, $value) = (@$pair);
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| 416 |
|
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| 417 | # We're only interested in metadata from the database
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| 418 | next if ($field eq "lastmodified");
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| 419 | next if ($field eq "gsdlsourcefilename");
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| 420 | next if ($field eq "gsdldoctype");
|
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| 421 | next if ($field eq "FileFormat");
|
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| 422 |
|
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| 423 | # Ignore the ^all metadata, since it will be invalid if the source metadata is changed
|
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| 424 | next if ($field =~ /\^all$/); # ISISPlug specific!
|
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| 425 |
|
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| 426 | # Make $value XML-safe
|
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[11238] | 427 | $value =~ s/&/&/g; # May mess up existing entities!
|
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[8858] | 428 | $value =~ s/</</g;
|
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| 429 | $value =~ s/>/>/g;
|
---|
| 430 |
|
---|
[9119] | 431 | # we are not allowed & in xml except in entities.
|
---|
| 432 | # if there are undefined entities then parsing will also crap out.
|
---|
| 433 | # should we be checking for them too?
|
---|
| 434 | # this may not get all possibilities
|
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[11238] | 435 | # $value =~ s/&([^;\s]*(\s|$))/&$1/g;
|
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[9119] | 436 |
|
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[9041] | 437 | print $metadata_xml_file " <Metadata mode=\"accumulate\" name=\"$meta_prefix$field\">$value</Metadata>\n";
|
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[8858] | 438 | }
|
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| 439 |
|
---|
| 440 | print $metadata_xml_file
|
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| 441 | " </Description>\n" .
|
---|
| 442 | " </FileSet>\n";
|
---|
| 443 | }
|
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| 444 |
|
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[9147] | 445 | sub obtain_document
|
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| 446 | {
|
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[16790] | 447 | my ($document_file_full,$documents_directory,$orig_base_dir,$verbosity) = @_;
|
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[10338] | 448 |
|
---|
| 449 | print STDERR "Obtaining document file $document_file_full...\n" if ($verbosity > 1);
|
---|
[8858] | 450 |
|
---|
[9147] | 451 | my $document_file_name;
|
---|
| 452 | my $local_document_file;
|
---|
| 453 |
|
---|
| 454 | # Document specified is on the web
|
---|
[16790] | 455 | if ($document_file_full =~ /^https?:/ || $document_file_full =~ /^ftp:/) {
|
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[9147] | 456 | $document_file_full =~ /([^\/]+)$/;
|
---|
| 457 | $document_file_name = $1;
|
---|
| 458 | $local_document_file = &util::filename_cat($documents_directory, $document_file_name);
|
---|
| 459 |
|
---|
| 460 | my $wget_options = "--quiet";
|
---|
[10338] | 461 | $wget_options = "--verbose" if ($verbosity > 2);
|
---|
[9147] | 462 | $wget_options .= " --timestamping"; # Only re-download files if they're newer
|
---|
[13166] | 463 | my $wget_command = "wget $wget_options \"$document_file_full\" --output-document \"$local_document_file\"";
|
---|
| 464 | `$wget_command`;
|
---|
[11348] | 465 |
|
---|
| 466 | # Check the document was obtained successfully
|
---|
| 467 | if (!-e $local_document_file) {
|
---|
| 468 | print STDERR "WARNING: Could not obtain document file $document_file_full\n";
|
---|
| 469 | }
|
---|
[9147] | 470 | }
|
---|
| 471 | # Document specified is on the disk
|
---|
| 472 | else {
|
---|
| 473 | my $dir_sep = &util::get_os_dirsep();
|
---|
[16790] | 474 |
|
---|
| 475 | $document_file_full =~ m/(.+$dir_sep)?(.*)$/;
|
---|
[9147] | 476 | $document_file_name = $2;
|
---|
[16790] | 477 |
|
---|
| 478 |
|
---|
| 479 | my $is_absolute = File::Spec->file_name_is_absolute($document_file_full);
|
---|
| 480 | print STDERR "doc file full = $document_file_full\n";
|
---|
| 481 |
|
---|
| 482 | if (!$is_absolute) {
|
---|
| 483 | $document_file_full
|
---|
| 484 | = &util::filename_cat($orig_base_dir,$document_file_full);
|
---|
| 485 | }
|
---|
| 486 |
|
---|
[9147] | 487 | $local_document_file = &util::filename_cat($documents_directory, $document_file_name);
|
---|
| 488 |
|
---|
[16790] | 489 | &util::cp($document_file_full, $documents_directory);
|
---|
[11348] | 490 |
|
---|
[16790] | 491 | # Check the document was obtained successfully
|
---|
| 492 | if (!-e $local_document_file) {
|
---|
| 493 | print STDERR "WARNING: Could not obtain document file $document_file_full\n";
|
---|
| 494 | }
|
---|
| 495 | else {
|
---|
| 496 | if ($document_file_full =~ m/^$orig_base_dir.*/) {
|
---|
| 497 | # file local to metadata record
|
---|
| 498 | # => copy has been made successfully, so remove original
|
---|
| 499 | &util::rm($document_file_full);
|
---|
[11348] | 500 | }
|
---|
| 501 | }
|
---|
[9147] | 502 | }
|
---|
| 503 |
|
---|
[11348] | 504 | # If the document wasn't obtained successfully, create a .nul file for it
|
---|
[9147] | 505 | if (!-e $local_document_file) {
|
---|
[11302] | 506 | $document_file_name .= ".nul";
|
---|
| 507 | open(NULL_FILE, ">$local_document_file.nul");
|
---|
| 508 | close(NULL_FILE);
|
---|
[9147] | 509 | }
|
---|
| 510 |
|
---|
| 511 | return $document_file_name;
|
---|
| 512 | }
|
---|
| 513 |
|
---|
[8858] | 514 | &main(@ARGV);
|
---|
[16790] | 515 |
|
---|