From: Yossef Mendelssohn <ymendel@...>
Date: 2009-03-28T11:31:34+09:00
Subject: Re: Sorting decimal index numbers?

On Mar 27, 9:18 pm, Aaron Vegh <aa...@vegh.ca> wrote:
> When the index numbers are float or strings, they sort like this. But I
> want "1.10" to be the last number. Any idea how to put these guys in the
> right order?

    $ irb
    >> nums = ['1.1', '1.2', '1.10', '1.9']
    => ["1.1", "1.2", "1.10", "1.9"]
    >> nums.sort
    => ["1.1", "1.10", "1.2", "1.9"]
    >> nums.collect { |n|  n.split('.').collect { |i|
i.to_i } }.sort.collect { |n|  n.join('.') }
    => ["1.1", "1.2", "1.9", "1.10"]

--
-yossef