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#!/usr/bin/perl -w |
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|
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# this utility will convert some (or all, defined by regex) |
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# fields into marc file from one or more CDS/ISIS files |
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# |
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# 2004-02-23 Dobrica Pavlinusic <dpavlin@rot13.org> |
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# |
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# if ISIS databases are named same as directories in which they |
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# reside, you can specify just directories (so that shell globing work) |
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# like this: |
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# |
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# ./isis2marc.pl all.marc /mnt2/*/LIBRI |
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|
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use strict; |
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use OpenIsis; |
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use MARC; |
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use Data::Dumper; |
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|
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# to select all fields use something like /./ |
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my $field_filter = '^700$'; |
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|
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my $marc_file = shift @ARGV || die "Usage: $0 [MARC file] [ISIS db]..."; |
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|
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my $marc=MARC->new; |
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|
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# it seems that I can't specify invalid template for 005 and prevent |
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# output from creating field 005 |
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#$num->add_005s({record=>1}); |
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|
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select(STDOUT); $|=1; |
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|
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my %stored; |
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my $total = 0; |
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|
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foreach my $db_file (@ARGV) { |
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|
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print "reading '$db_file'"; |
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|
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if (-d $db_file) { |
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$db_file =~ s,([^/]+)/*$,$1/$1,; |
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} |
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|
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my $db = OpenIsis::open( $db_file ); |
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my $maxmfn = OpenIsis::maxRowid( $db ) || 1; |
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|
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print " [rows: $maxmfn]\n"; |
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|
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my $progress_len = 50; |
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|
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my $step = int($maxmfn/$progress_len); |
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$step = 1 if ($step == 0); |
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|
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my $new = 0; |
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|
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for (my $mfn = 1; $mfn <= $maxmfn; $mfn++) { |
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print "." if ($mfn % $step == 0); |
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my $row = OpenIsis::read( $db, $mfn ); |
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foreach my $fld (keys %{$row}) { |
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next if ($fld !~ m/$field_filter/); |
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|
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my @values; |
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my $num; |
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|
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foreach my $sf (@{$row->{$fld}}) { |
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|
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$stored{$sf}++; |
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|
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next if ($stored{$sf} > 1); |
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|
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my %v; |
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while ($sf =~ s/\^(\w)([^\^]+)//) { |
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$v{$1} = $2; |
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|
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# delete last subfield delimiter |
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$sf = "" if ($sf =~ /\^\w*$/); |
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} |
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if (%v) { |
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push @values, %v; |
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} elsif ($sf && $sf !~ /^(\^\w)*\s*$/) { |
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# regex above remove empty subfields |
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push @values, $sf; |
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} |
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|
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next if (! @values); |
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|
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if (! $num) { |
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$num=$marc->createrecord(); |
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$new++; |
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} |
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$marc->addfield({record=>$num, |
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field=>$fld, |
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i1=>" ", i2=>" ", |
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value=>\@values}); |
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|
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} |
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|
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} |
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} |
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$total += $new; |
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printf "\t%d (%0.2f%%) t: %d\n",$new,($new*100/$maxmfn),$total; |
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$marc->output({file=>"> $marc_file",'format'=>"usmarc"}) |
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} |
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