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ruby-mp3info read low-level informations and manipulate tags on mp3 files.
Ruby Python
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README.txt

= ruby-mp3info

* http://github.com/moumar/ruby-mp3info

== DESCRIPTION:

ruby-mp3info read low-level informations and manipulate tags on
mp3 files.

== FEATURES/PROBLEMS:

* written in pure ruby 
* read low-level informations like bitrate, length, samplerate, etc...
* read, write, remove id3v1 and id3v2 tags
* correctly read VBR files (with or without Xing header)
* only 2.3 version is supported for writings id3v2 tags
* id3v2 tags are always written in UTF-16 encoding

== SYNOPSIS:

  ### read and display infos & tags

  require "mp3info"
  # read and display infos & tags
  Mp3Info.open("myfile.mp3") do |mp3info|
    puts mp3info
  end

  # read/write tag1 and tag2 with Mp3Info#tag attribute
  # when reading tag2 have priority over tag1
  # when writing, each tag is written.
  Mp3Info.open("myfile.mp3") do |mp3|
    puts mp3.tag.title   
    puts mp3.tag.artist   
    puts mp3.tag.album
    puts mp3.tag.tracknum
    mp3.tag.title = "track title"
    mp3.tag.artist = "artist name"
  end

  # tags are written when calling Mp3Info#close or at the end of the #open block

  ### access id3v2 tags

  Mp3Info.open("myfile.mp3") do |mp3|
    # you can access four letter v2 tags like this
    puts mp3.tag2.TIT2
    mp3.tag2.TIT2 = "new TIT2"
    # or like that
    mp3.tag2["TIT2"]
    # at this time, only COMM tag is processed after reading and before writing
    # according to ID3v2#options hash
    mp3.tag2.options[:lang] = "FRE"
    mp3.tag2.COMM = "my comment in french, correctly handled when reading and writing"
  end

== REQUIREMENTS:

* iconv

== INSTALL:

* gem install ruby-mp3info

== DEVELOPERS:

After checking out the source, run:

  $ rake newb

This task will install any missing dependencies, run the tests/specs,
and generate the RDoc.

== LICENSE:

ruby

== TODO:

* encoder detection
* support for more tags in id3v2
* generalize id3v2 with other audio formats (APE, MPC, OGG, etc...)
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