From: "list. rb" <list.rb@...>
Date: 2007-06-28T12:51:47+09:00
Subject: Re: Array Problem, sort Array

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w/ numbers also in case that's your next question :-)

[1,2,4, nil,3,"a"].compact.collect {|i| i.to_s}.sort.uniq

You should check out http://dev.rubycentral.com/ref/ref_c_array.html#sort


On 6/27/07, list. rb <list.rb@gmail.com> wrote:
>
> ["a", "a", "a", "b", "b", "c", "c", "c","d", "d", "e",
> nil].compact.uniq.sort
>
> On 6/27/07, Cool Wong <coolwong85@yahoo.com> wrote:
> >
> > List Rb wrote:
> > > ["a", "a", "a", "b", "b", "c", "c", "c","d", "d", "e"].uniq.sort
> > >
> > > array = ["a", "a", "a", "b", "b", "c", "c", "c","d", "d",
> "e"].uniq.sort
> > >
> > > puts array.join("WOOT!\n")
> >
> > if the array include the "nil", it cannot sort, why??
> >
> > ["a", "a", "a", "b", "b", "c", "c", "c","d", "d", "e", nil].uniq.sort
> >
> > --
> > Posted via http://www.ruby-forum.com/.
> >
> >
>

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