From: Simon Strandgaard <neoneye@...>
Date: 2005-10-22T05:22:39+09:00
Subject: Re: array in hash... argh!!

On 10/21/05, Simon Strandgaard <neoneye@gmail.com> wrote:
> On 10/21/05, Simon Strandgaard <neoneye@gmail.com> wrote:
> > On 10/21/05, Marco <z@a.b> wrote:
> > [snip]
> > > and i wold like to get 3 hashes like tese:
> > >
> >
> >
> > h = {
> >     "title"=>["ciccio", "test", "ciccio panza"],
> >     "id"=>["3", "4", "1"],
> >     "description"=>["1", "", "hey?"],
> >     "insert_date"=>["2005-10-19", "2005-10-20", "2005-10-18"]
> > }
> >
> > vals = h.map{|k,v| v}.transpose
> > keys = h.map{|k,v| k}
> > ary_of_pairs = vals.map{|ary| keys.zip(ary)}
> > res = ary_of_pairs.map{|pairs| Hash[*pairs]}
> > puts res.map{|hash| hash.inspect }.join("\n")
>
> a bit shorter..
>
> res = h.values.transpose.map{|ary| h.keys.zip(ary)}.map{|pairs| Hash[*pairs]}
>

even shorter..  I am having dinner in front of my mac..

res = h.values.transpose.map{|a|Hash[*h.keys.zip(a)]}
p res

--
Simon Strandgaard