From: "David A. Black" <dblack@...>
Date: 2008-05-04T21:59:10+09:00
Subject: Re: Array combination check

Hi --

On Sun, 4 May 2008, Nadim Kobeissi wrote:

> Xavier Noria wrote:
>> What is a combination?
>
> Please allow me to make myself more clear:
> bunny=["a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z"]
> cow="hello"
>
> I want to test all possible combinations of the items inside bunny (the
> alphabet) starting from the smallest to the biggest (a, then b, then c..
> then aa, then ab, then ac, etc.) until I arrive to a case in which the
> combination == cow, which means the combination would be "hello".

>> str = 'a'
=> "a"
>> cow = "hello"
=> "hello"
>> str.succ! until str == cow
=> nil
>> str
=> "hello"


David

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