From: Anna Baas <lists@...>
Date: 2012-10-12T03:14:56+09:00
Subject: Convert elements of array into a single integer

Hi,

I've tried searching for this on the forum and couldn't find an answer.
Apologies if it's already out there.

I've converted the digits of an integer into elements of an array, like
so:

x = some_integer

y = "#{x}".scan(/./)

Now, after using y for my nefarious purposes, I would like to re-convert
the elements (still containing one digit each) into an integer.

I don't mind writing a routine for it, but was wondering if there's some
magical way to do it quicker :)

Ta,

Anna

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