From: Simon ARNAUD <maz@...>
Date: 2002-02-26T10:24:47+09:00
Subject: Re: How to convert "1110" to 14, "0111" to 7, etc.

You are looking for the oct method.

"0b1110".oct => 14

I'm not sure the method was meant to work with bin, but it does.
However, I didn't managed to find a solution without using a temp var
a = "0b" + binstr
num = a.oct

If someone knows a way, please post it

Simon ARNAUD
aka Maz

On Tue, 26 Feb 2002 01:08:08 +0100, andrew queisser wrote:

> How can I convert a string of binary digits to a number? I've got this
> but I imagine there's some kind of built-in method. Is there?
> 
> def BinStrToNum ( binStr )
>   sum = 0
>   digit = 1
>   binStr.reverse.each_byte { |i|
>     sum += (i-48)*digit
>     digit <<= 1
>   }
>   return sum
> end
> 
> Thanks,
> Andrew