From: Matt Pruitt <guitsaru@...>
Date: 2007-08-27T23:21:48+09:00
Subject: Re: [QUIZ] ID3 Tags (#136)

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class ID3
   def initialize(tags)
     @tags = tags
     @genres = ['Classic Rock', 'Country', 'Dance', 'Disco', 'Funk',  
'Grunge', 'Hip-Hop', 'Jazz',
     'Metal', 'New Age', 'Oldies', 'Other', 'Pop', 'R&B', 'Rap',  
'Reggae', 'Rock', 'Techno',
     'Industrial', 'Alternative', 'Ska', 'Death Metal', 'Pranks',  
'Soundtrack', 'Euro-Techno',
     'Ambient', 'Trip-Hop', 'Vocal', 'Jazz+Funk', 'Fusion', 'Trance',  
'Classical', 'Instrumental',
     'Acid', 'House', 'Game', 'Sound Clip', 'Gospel', 'Noise',  
'AlternRock', 'Bass', 'Soul', 'Punk',
     'Space', 'Meditative', 'Instrumental Pop', 'Instrumental Rock',  
'Ethnic', 'Gothic', 'Darkwave',
     'Techno-Industrial', 'Electronic', 'Pop-Folk', 'Eurodance',  
'Dream', 'Southern Rock', 'Comedy',
     'Cult', 'Gangsta', 'Top 40', 'Christian Rap', 'Pop/Funk',  
'Jungle', 'Native American', 'Cabaret',
     'New Wave', 'Psychadelic', 'Rave', 'Showtunes', 'Trailer', 'Lo- 
Fi', 'Tribal', 'Acid Punk',
     'Acid Jazz', 'Polka', 'Retro', 'Musical', 'Rock & Roll', 'Hard  
Rock', 'Folk', 'Folk-Rock',
     'National Folk', 'Swing', 'Fast Fusion', 'Bebob', 'Latin',  
'Revival', 'Celtic', 'Bluegrass',
     'Avantgarde', 'Gothic Rock', 'Progressive Rock', 'Psychedelic  
Rock', 'Symphonic Rock', 'Slow Rock',
     'Big Band', 'Chorus', 'Easy Listening', 'Acoustic', 'Humour',  
'Speech', 'Chanson', 'Opera',
     'Chamber Music', 'Sonata', 'Symphony', 'Booty Bass', 'Primus',  
'Porn Groove', 'Satire', 'Slow Jam',
     'Club', 'Tango', 'Samba', 'Folklore', 'Ballad', 'Power Ballad',  
'Rhythmic Soul', 'Freestyle',
     'Duet', 'Punk Rock', 'Drum Solo', 'A capella', 'Euro-House',  
'Dance Hall']
     self
   end
   def parse
     if @tags[0..2] = "TAG"
       @song     = @tags[3..32].strip
       @album    = @tags[33..62].strip
       @artist   = @tags[63..92].strip
       @year     = @tags[93..96].strip

       #don't strip comment until after track number is checked
       @comment  = @tags[97..126]
       @genre    = @genres[@tags[127]-1]

       #checks for Track Number
       if @comment[28] == 0
         @track  = @comment[29].to_s
       end
       @comment.strip!
     end
     self
   end
   def print
     puts "Title:   " + @song.to_s
     puts "Album:   " + @album.to_s
     puts "Artist:  " + @artist.to_s
     puts "Year:    " + @year.to_s
     puts "Comment: " + @comment.to_s
     puts "Genre:   " + @genre.to_s
     puts "Track:   " + @track.to_s
     self
   end
end

class MP3
   @id3 = 0
   def initialize(file)
     @mp3 = IO.read(file)
     self
   end
   def parse_id3
     @id3 = ID3.new(@mp3[-128..-1])
     @id3.parse
     self
   end
   def print
     @id3.print
     self
   end
end

@mp3 = MP3.new(ARGV[0]).parse_id3.print

--Matt Pruitt




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