fix-mp3-encoding.rb

require 'rubygems'
require 'mp3info'

from_folder = "/Users/sunfmin/Music/Music2"
mv_to_folder = "/Users/sunfmin/Music/Cleaned"

def fix(f)
  
  Mp3Info.open(f, :encoding => "utf-8") do |mp3info|
    print Iconv.iconv('utf-8', 'gbk', mp3info.tag.album)
    print " - "
    print Iconv.iconv('utf-8', 'gbk', mp3info.tag.artist)
    print " - "
    puts Iconv.iconv('utf-8', 'gbk', mp3info.tag.title)
    
    mp3info.tag.album = Iconv.iconv('utf-8', 'gbk', mp3info.tag.album).to_s
    mp3info.tag.artist = Iconv.iconv('utf-8', 'gbk', mp3info.tag.artist).to_s
    mp3info.tag.title = Iconv.iconv('utf-8', 'gbk', mp3info.tag.title).to_s
  end
  system("mv \"#{f}\" #{mv_to_folder}")
    
end
Dir.chdir(from_folder)
Dir.glob("*/**").each do |f|
  begin
    fix(f)
  rescue Exception => e
    puts e.inspect, f
  end
end