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iconv wrapper, used to be ext/iconv


Iconv is a wrapper class for the UNIX 95 iconv() function family, which translates string between various encoding systems.

See Open Group's on-line documents for more details.

Which coding systems are available is platform-dependent.


Add this line to your application's Gemfile:

gem 'iconv'

And then execute:

$ bundle

Or install it yourself as:

$ gem install iconv


  1. Simple conversion between two charsets. ruby converted_text = Iconv.conv('iso-8859-15', 'utf-8', text)
  2. Instantiate a new Iconv and use method Iconv#iconv. ruby cd = Iconv.new(to, from) begin input.each { |s| output << cd.iconv(s) } output << cd.iconv(nil) # Don't forget this! ensure cd.close end
  3. Invoke Iconv.open with a block. ruby Iconv.open(to, from) do |cd| input.each { |s| output << cd.iconv(s) } output << cd.iconv(nil) end
  4. Shorthand for (3). ruby Iconv.iconv(to, from, *input.to_a)


Even if some extensions of implementation dependent are useful, DON'T USE those extensions in libraries and scripts to widely distribute. If you want to use those feature, use String#encode.


  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request


Ruby License/2-clause BSDL