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included sample marc file from MARC-Record-2.0
[MARC-Fast]
/
Fast.pm
diff --git
a/Fast.pm
b/Fast.pm
index
e9a7142
..
b587be3
100644
(file)
--- a/
Fast.pm
+++ b/
Fast.pm
@@
-1,5
+1,5
@@
-
package MARC::Fast;
package MARC::Fast;
+
use strict;
use Carp;
use Data::Dumper;
use strict;
use Carp;
use Data::Dumper;
@@
-7,7
+7,7
@@
use Data::Dumper;
BEGIN {
use Exporter ();
use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
BEGIN {
use Exporter ();
use vars qw ($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
- $VERSION = 0.0
4
;
+ $VERSION = 0.0
8
;
@ISA = qw (Exporter);
#Give a hoot don't pollute, do not export more than needed by default
@EXPORT = qw ();
@ISA = qw (Exporter);
#Give a hoot don't pollute, do not export more than needed by default
@EXPORT = qw ();
@@
-23,12
+23,21
@@
MARC::Fast - Very fast implementation of MARC database reader
use MARC::Fast;
use MARC::Fast;
+ my $marc = new MARC::Fast(
+ marcdb => 'unimarc.iso',
+ );
+
+ foreach my $mfn ( 1 .. $marc->count ) {
+ print $marc->to_ascii( $mfn );
+ }
+
+For longer example with command line options look at L<scripts/dump_fastmarc.pl>
=head1 DESCRIPTION
This is very fast alternative to C<MARC> and C<MARC::Record> modules.
=head1 DESCRIPTION
This is very fast alternative to C<MARC> and C<MARC::Record> modules.
-It's is also very sutable for random access to MARC records (as opposed to
+It's is also very su
b
table for random access to MARC records (as opposed to
sequential one).
=head1 METHODS
sequential one).
=head1 METHODS
@@
-111,7
+120,7
@@
sub new {
print STDERR "REC ",$self->{count},": $leader\n" if ($self->{debug});
# store leader for later
print STDERR "REC ",$self->{count},": $leader\n" if ($self->{debug});
# store leader for later
- push @{$self->{leader
s
}}, $leader;
+ push @{$self->{leader}}, $leader;
# skip to next record
my $o = substr($leader,0,5);
# skip to next record
my $o = substr($leader,0,5);
@@
-145,14
+154,22
@@
Fetch record from database
my $hash = $marc->fetch(42);
my $hash = $marc->fetch(42);
+First record number is C<1>
+
=cut
sub fetch {
my $self = shift;
=cut
sub fetch {
my $self = shift;
- my $rec_nr = shift
|| return
;
+ my $rec_nr = shift;
- my $leader = $self->{leaders}->[$rec_nr - 1];
+ if ( ! $rec_nr ) {
+ $self->{last_leader} = undef;
+ return;
+ }
+
+ my $leader = $self->{leader}->[$rec_nr - 1];
+ $self->{last_leader} = $leader;
unless ($leader) {
carp "can't find record $rec_nr";
return;
unless ($leader) {
carp "can't find record $rec_nr";
return;
@@
-234,6
+251,26
@@
sub fetch {
}
}
+=head2 last_leader
+
+Returns leader of last record L<fetch>ed
+
+ print $marc->last_leader;
+
+Added in version 0.08 of this module, so if you need it use:
+
+ use MARC::Fast 0.08;
+
+to be sure that it's supported.
+
+=cut
+
+sub last_leader {
+ my $self = shift;
+ return $self->{last_leader};
+}
+
+
=head2 to_hash
Read record with specified MFN and convert it to hash
=head2 to_hash
Read record with specified MFN and convert it to hash
@@
-313,17
+350,32
@@
sub to_hash {
return $rec;
}
return $rec;
}
+=head2 to_ascii
-1;
-__END__
+ print $marc->to_ascii( 42 );
-=head1 BUGS
+=cut
+
+sub to_ascii {
+ my $self = shift;
+ my $mfn = shift || confess "need mfn";
+ my $row = $self->fetch($mfn) || return;
+ my $out;
-=head1 SUPPORT
+ foreach my $f (sort keys %{$row}) {
+ my $dump = join('', @{ $row->{$f} });
+ $dump =~ s/\x1e$//;
+ $dump =~ s/\x1f/\$/g;
+ $out .= "$f\t$dump\n";
+ }
+ return $out;
+}
+1;
+__END__
=head1 AUTHOR
=head1 AUTHOR
@@
-343,6
+395,6
@@
LICENSE file included with this module.
=head1 SEE ALSO
=head1 SEE ALSO
-perl(1).
+
L<Biblio::Isis>,
perl(1).
=cut
=cut