From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2012-10-12T03:31:56+09:00
Subject: Re: Convert elements of array into a single integer

2012/10/11 Anna Baas <lists@ruby-forum.com>:
> x = some_integer
> y = "#{x}".scan(/./)

Assuming y is an array like ['1', '2', '3']:

# join the array into a string like "123" and convert to an integer:
x = y.join('').to_i

The other way around can be done similarly:
y = x.to_s.split('') # convert integer to string and split between characters

-- Matma Rex