From: Jos Backus <jos@...>
Date: 2010-08-10T06:01:59+09:00
Subject: Overriding ENV[]

$ cat x
#!/usr/bin/env ruby
class << ENV
  define_method(:[], lambda { |v| v.upcase })
end
p ENV['FOO']
$ FOO=foo ./x
  "FOO"
$ 

But what if I want to call the original ENV[] inside the new method?

-- 
Jos Backus
jos at catnook.com