From: matz@... (Yukihiro Matsumoto)
Date: 2002-01-08T11:16:45+09:00
Subject: Re: OT: Re: Sorting a Hash by value of integer stored in the Hash

Hi,

In message "[ruby-talk:30336] OT: Re: Sorting a Hash by value of integer stored in the Hash"
    on 02/01/06, Michal Rokos <rokosm@klokan.sh.cvut.cz> writes:

|Yohanes Santoso <ysantoso@jenny-gnome.dyndns.org> wrote:
|> irb(main):011:0> myh = {"z"=>5,"x"=>3,"y"=>7}
|> irb(main):012:0> myh.sort{|a,b| a[1] <=> b[1]}        
|> ary = [["x", 3], ["z", 5], ["y", 7]]
| ^^^^^^^
|	Is there any "automatic" way to create hash from ary (above). I
|	didn't find any. (I know hash = Hash[[1,2,3,4]], but I doesn't
|	work for this)

If you're using 1.7.x

  ary = [["x", 3], ["z", 5], ["y", 7]]
  ary.inject({}){|h,(k,v)| h[k]=v; h}'

otherwise see page 45 of the pixaxe book.

							matz.