From: ara.t.howard@...
Date: 2006-03-01T11:35:41+09:00
Subject: Re: Your Favorite One Liner

On Wed, 1 Mar 2006, Daniel Nugent wrote:

> Give out your favorite one liner, what it does, and when you use it.
>
> For me:
>
> puts ARGV[rand(ARGV.size)]
>
> It randomly prints one of the command line options passed to it.  I
> typically use it to make a decision when I have no preference (or have
> equal distaste) for my available options.
>
> For instance
>
> ruby -e "puts ARGV[rand(ARGVsize)]" "shoot self in head" "use Java"
>
> --
> -Dan Nugent
>
>


     harp:~ > cat a.rb
     hashify = lambda{ |*hashes| hashes.inject(accum={}){|accum,hash| accum.update hash} }

     a = {"k" => "v", "a" => "b"}
     b = {"k" => "V"}
     c = {"f" => "b"}

     p hashify[a, b, c]


     harp:~ > ruby a.rb
     {"k"=>"V", "a"=>"b", "f"=>"b"}


-a

-- 
judge your success by what you had to give up in order to get it.
- h.h. the 14th dali lama