From: Brian Candler <b.candler@...>
Date: 2009-06-01T22:20:51+09:00
Subject: Re: Quine (#207)

James Gray wrote:
> On May 31, 2009, at 10:59 PM, Jorrel wrote:
> 
>> Is using File considered cheating?
>>
>>    puts File.readlines __FILE__
> 
> It usually is, yes.

I'd suggest you pipe the source code into the ruby interpreter:

    cat quine.rb | ruby

    cat quine.rb | ruby | diff -u quine.rb -

That eliminates tricks with __FILE__ and $0.

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