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And Rebuild Snow Leopard Ruby readline …

New operating system, same history: rebuilding Snow Leopard ruby readline to allow non ascii chars on irb:

curl -O ftp://ftp.cwru.edu/pub/bash/readline-6.1.tar.gz
tar xzvf readline-6.1.tar.gz
cd readline-6.1
./configure --prefix=/usr/local
make
sudo make install
cd ..

ruby --version
ruby 1.8.7 (2008-08-11 patchlevel 72) [universal-darwin10.0]

svn co http://svn.ruby-lang.org/repos/ruby/tags/v1_8_7_72/ext/readline/ ruby-readline
cd ruby-readline/
curl http://pastie.textmate.org/pastes/836839/download | patch extconf.rb
ARCHFLAGS="-arch x86_64" ruby extconf.rb
make
sudo make install

$ irb
>> "Coño con las actualizaciones"
=> "Co\303\261o con las actualizaciones"