From: Joe Van Dyk <joevandyk@...>
Date: 2005-08-14T03:18:16+09:00
Subject: Re: no clue

On 8/12/05, William James <w_a_x_man@yahoo.com> wrote:
> Faster yet:
> 
> iter = 20_000
> 
> data = DATA.inject([]){|a,x| a << x.chomp}

What is DATA?  Does it have anything to do with __END__ at the bottom?

Joe

> times = []
> 
> h1={}
> times << Time.now
> 
> iter.times {
>   data.each{ |line| tmp = line.split(/\s*[:,]\s*/)
>     (0...tmp.size).step(2){ |i| h1[tmp[i].to_sym]=tmp[i+1] }
>   }
> }
> 
> 
> h2={}
> times << Time.now
> 
> iter.times {
>   data.each{ |line| line.split(/\s*[:,]\s*/).inject(false){|a,b|
>     if a then h2[a.to_sym]=b; a=false else a=b end }
>   }
> }
> 
> result_hash = {}
> times << Time.now
> 
> iter.times {
>   data.each{|line| line.scan(/(\w+)\s*:\s*([^, ]*)/) { |k, v|
>     result_hash[k.to_sym] = v }
>   }
> }
> 
> times << Time.now
> 
> p result_hash == h2 && h2 == h1
> (1...times.size).each{|i| p times[i]-times[i-1]}
> 
> __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
> x_position: 20, y_position: 40, z_position: 30,zz_position:85
> 
> 
> Output (on a slower computer):
> true
> 6.82
> 7.27
> 8.413
> 
> 
>