From: Larry Fast <lfast@...>
Date: 2007-03-28T01:55:15+09:00
Subject: Re: How do I implement the Unix 'tee' function for $stdout?

Erik Veenstra wrote:
>  ["$stdout", "$stderr"].each do |std|
>    io           = eval(std)
>    old_write    = io.method(:write)
> 
>    class << io
>      self
>    end.module_eval do
> 
>        old_write.call(text)

Thanks Eric,

That's a very elegant solution. Does IO funnel all it's writes through 
"write"? Including things like putc? And where would I look to find this 
out? Is it only in the source code?

Last question: what does "self" do on the line below "class << io"

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