From: dblack@...
Date: 2003-09-17T03:15:38+09:00
Subject: Re: scrambler one-liner

Hi --

On Tue, 16 Sep 2003, Xavier Noria wrote:

> I just came across this interesting article at Slashdot that explains that
> according to some English university the order of letters in words are not
> really relevant for reading as long as the first and the last are at the
> right place. (It seems that do not hold in Spanish).
>
> There is a link to a Perl filter[*] that munges a given text that way and I
> wanted to write a mock-up as a one-liner, but in Ruby this time. This is
> what I have for now:
>
> -pe 'gsub!(/\w+/){|w|r=1..w.size-1;w[r]=w[r].split(//).sort_by{rand}.to_s;w}'
>
> The cool Array.sort_by { rand } trick is a shuffle I saw in Freenode#ruby-lang
> last week, I would like very much to remember the nick of who showed it but I
> can't remember.
>
> It seems one-liners are not at the heart of the Ruby community, but hey,
> that's funny in the end. Can you shorten it?

A little:

  gsub!(/\w+/){|w|w[1..-2]&&=w[1..-2].split(//).sort_by{rand}.join;w}

(Yay!  A use for &&=! :-)


David

-- 
David Alan Black
home: dblack@superlink.net
work: blackdav@shu.edu
Web:  http://pirate.shu.edu/~blackdav