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#!/usr/bin/ruby
require 'musicbrainz'
# allocate a new MusicBrainz client
mb = MusicBrainz::Client.new
mb.depth = 2
# handle environment variables
mb.server = server if server = ENV['MB_SERVER']
mb.debug = true if ENV['MB_DEBUG']
mb.depth = depth.to_i if depth = ENV['MB_DEPTH']
unless ARGV.size > 0
$stderr.puts 'Missing query string.'
exit -1
end
query = ARGV[0]
# search for artist
puts 'Query: ' << query
if mb.query MusicBrainz::Query::TrackInfoFromTRMId, query
mb.select MusicBrainz::Query::Rewind
1.upto(1000) { |i|
# select first track from track list
unless mb.select(MusicBrainz::Query::SelectTrack, i)
puts 'That TRM is not in the database.' if i == 1
break
end
track_uri = mb.result MusicBrainz::Query::TrackGetTrackId
# extract the artist name from the track
puts 'Artist: ' << artist if
artist = mb.result(MusicBrainz::Query::TrackGetArtistName)
# extract the track name
puts 'Track: ' << track if
track = mb.result(MusicBrainz::Query::TrackGetTrackName)
# extract the track duration
puts 'Duration: ' << dur << ' ms' if
dur = mb.result(MusicBrainz::Query::TrackGetTrackDuration)
mb.select MusicBrainz::Query::SelectTrackAlbum
# extract the track number
track_num = mb.ordinal MusicBrainz::Query::AlbumGetTrackList, track_uri
puts 'TrackNum: ' << track_num.to_s if track_num > 0 && track_num < 100
# extract the album name from the track
puts 'Album: ' << album if
album = mb.result(MusicBrainz::Query::AlbumGetAlbumName)
}
else
$stderr.puts 'Error: ' << mb.error
end
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