From: Robert Klemme <shortcutter@...>
Date: 2010-09-27T05:02:50+09:00
Subject: Re: Sort hash with keys as integer

2010/9/25 Pål Bergström <pal@palbergstrom.com>:
> Y. NOBUOKA wrote:
>
>> p hash.sort { |a, b| a[0].to_i <=> b[0].to_i }
>
> I tried this myself but it didn't work. Now it did. Strange. Must have
> done something wrong before. Thanks :-)

This also works:

irb(main):001:0> { "1" => "test", "2" => "aaa", "10" => "bbb"
}.sort_by {|k,v| k.to_i}
=> [["1", "test"], ["2", "aaa"], ["10", "bbb"]]
irb(main):002:0> { "1" => "test", "2" => "aaa", "10" => "bbb"
}.sort_by {|k,v| Integer(k)}
=> [["1", "test"], ["2", "aaa"], ["10", "bbb"]]

Cheers

robert

-- 
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