From: "David A. Black" <dblack@...>
Date: 2004-09-28T10:58:59+09:00
Subject: Re: {newb} Each statements

Hi --

On Tue, 28 Sep 2004, Bill Guindon wrote:

> On Tue, 28 Sep 2004 09:33:16 +0900, James Edward Gray II
> <james@grayproductions.net> wrote:
> 
> > ndata = ndata.split(//).map{ |c| ((c[0]-97)+rand(10))%26 }.join
> 
> That started to look a bit too perl like for me, so I decided to
> compare the 'each_byte' and the 'split' approaches.  Granted, it's a
> simple comparison, but seems each_byte is a bit faster, and looks
> easier to read (at least to me).
> 
> btw, suggestions on simple benchmarking welcome.
> 
> Here's my simple comparison script:
> ######################################
> data = "some really silly string of text which will be encrypted soon"
> 
> ######################################
> def encrypt_byte(data)
>   ndata = ''
>   a = data.size-1

I keep wondering what this 'a' is (I think it was in the original,
also unused). 

Here's another technique you could add to the collection:

"abc".split(//).inject("") {|str,c| 
  str << (((c[0]-96) + rand(10)) % 26) + 97 
  }


David

-- 
David A. Black
dblack@wobblini.net