From: Joe Van Dyk <joevandyk@...>
Date: 2005-08-13T04:36:12+09:00
Subject: Re: no clue

On 8/12/05, William James <w_a_x_man@yahoo.com> wrote:
> Joe Van Dyk wrote:
> >I have a string like:
> >
> >"some_key: blah, some_other_key: more_blah,
> > yet_other_key: yet_more_blah"
> >
> >I want to build up a hash like
> >
> >{ :some_key => "blah", :some_other_key => "more_blah",
> > :yet_other_key => "yet_more_blah" }
> 
> h={}
> DATA.read.split(/\s*[:,\n]\s*/).inject(false){|a,b|
>   if a then h[a.to_sym]=b; a=false else a=b end }
> 
> p h
> __END__
> some_key: blah, some_other_key: more_blah, yet_other_key: yet_more_blah
> key1:value1
> key2:  value2
> key3   : value 3  , key4 :value4 , key555555555:value55555
> 
> 
> ----
> Output:
> 
> {:key3=>"value 3", :some_key=>"blah", :key4=>"value4",
> :some_other_key=>"more_blah", :key555555555=>"value55555",
> :yet_other_key=>"yet_more_blah", :key1=>"value1",
> :key2=>"value2"}

Why would this approach be faster?