From: "Tom B." <thomas.j.best@...>
Date: 2009-08-10T04:14:59+09:00
Subject: Re: Generate binary sequences of length n?

Robert Dober wrote:
> On Sun, Aug 9, 2009 at 8:32 PM, David A. Black<dblack@rubypal.com> 
> wrote:
>>>
>>
>> Try this:
>>
>> def binary_seq_generator(n)
>>  (0...(1 << n)).map {|e| "%0#{n}d" % e.to_s(2) }
>> end
>>
>> Doesn't necessarily roll off the fingers as readily as some Ruby
>> idioms do :-) But I think all or most of what you need is there, and
>> there are some interesting bits to it.
> Well 1.9 has to offer some elegance here
> 
> (1<<n).times.map{ | d | "%0{n}b" % d }
> 
> HTH
> Robert


They worked!  Thank you both very much - having a comprehensive 
understanding of these operators will move my coding to the next level! 
Very much appreciated, Tom
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