From: Mike Stok <mike@...>
Date: 2001-09-01T11:01:37+09:00
Subject: [ruby-talk:20653] Re: ruby quine

On Sat, 1 Sep 2001, John Tromp wrote:

> The web page
> http://www.nyx.net/~gthompso/quine.htm
>
> shows self-reproducing programs, aka "quine"s for many languages,
> but Ruby is conspicuously missing.
> What would be the shortest Ruby program to output itself?
>
> I don't suppose it could be as short as in python? :
> l='l=%s;print l%%`l`';print l%`l`

Is the program between the quotes legal :-)

[mike@ratdog mike]$ ruby -e '' > prog
[mike@ratdog mike]$ ls -l prog
-rw-r--r--    1 mike     mike            0 Aug 31 21:59 prog
[mike@ratdog mike]$ ruby prog > prog2
[mike@ratdog mike]$ diff prog prog2
[mike@ratdog mike]$

Mike

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