From: Dave Howell <groups@...>
Date: 2006-05-12T09:13:54+09:00
Subject: Re: Ascii Character to Decimal Base 10 value


On May 11, 2006, at 16:47, doug meharry wrote:

> Greetings all,
>
> I would like to know how one might convert a letter such as "H" to its
> corresponding ascii decimal value.  On the flip side, how might I take
> the decimal value and convert it back to the alpha-numeric
> representation.
>
> Is there something simpler or better than using the String class
> each_byte() method?  I seem to recall there is a simple way to do just
> this, but can't find it in the docs.

It's (to me) wildly non-intuitive.

 > aString = 'B'
=> "B"
 > aString[0]
=> 66
 > aString[0..0]
=> "B"