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Man Pages


Manual Reference Pages  -  CDDB::FILE (3)

.ds Aq ’

NAME

CDDB::File - Parse a CDDB/freedb data file

CONTENTS

SYNOPSIS



  my $disc = CDDB::File->new("rock/f4109511");

  print $disc->id, $disc->all_ids;
  print $disc->artist, $disc->title;
  print $disc->year, $disc->genre, $disc->extd;
  print $disc->length, $disc->track_count;
 
  print $disc->revision, $disc->submitted_via, $disc->processed_by;

  foreach my $track ($disc->tracks) {
    print $track->number, $track->title, $track->artist;
    print $track->length, $track->extd;
  }



DESCRIPTION

This module provides an interface for extracting data from CDDB-format data files, as used by freedb.

It does not read data from your CD, or submit information to freedb.

METHODS

    new



  my $disc = CDDB::File->new("rock/f4109511");



This will create a new object representing the data in the file name specified.

    id / all_ids



  my $discid = $disc->id;
  my @discid = $disc->all_ids;



Due to how freedb works, one CD may have several IDs associated with it. ’id’ will return the first of these (not necessarily related to the filename from which this was read), whilst ’all_ids’ will return all of them.

    title / artist

The title and artist of this CD. For eponymous CDs these will be identical, even if the data file leaves the artist field blank.

    year

The (4-digit) year of release.

    genre

The genre of this CD. This is the genre as stored in the data file itself, which is not related to the 11 main freedb genres.

    extd

The extended data for the CD. This is used for storing miscellaneous information which has no better storage place, and can be of any length.

    length

The run time of the CD in seconds.

    track_count

The number of tracks on the CD.

    revision

Each time information regarding the CD is updated this revision number is incremented. This returns the revision number of this version.

    processed_by / submitted_via

The software which submitted this information to freedb and which processed it at the other end.

    tracks



  foreach my $track ($disc->tracks) {
    print $track->number, $track->title, $track->artist;
    print $track->length, $track->extd;
  }



Returns a list of Track objects, each of which knows its number (numering from 1), title, length (in seconds), offset, and may also have extended track data.

Tracks may also contain an ’artist’ field. If this is not set the artist method will return the artist of the CD.

SEE ALSO

http://www.freedb.org/

AUTHOR

Tony Bowden

BUGS and QUERIES

Please direct all correspondence regarding this module to:
bug-CDDB-File@rt.cpan.org

COPYRIGHT



  Copyright (C) 2001-2005 Tony Bowden. All rights reserved.

  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License; either version 2 of the License,
  or (at your option) any later version.

  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.



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perl v5.20.3 CDDB::FILE (3) 2005-10-04

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