From: Mikael Brockman <mikael@...>
Date: 2004-08-28T02:16:35+09:00
Subject: Re: Question about ? operator for ASCII

Barry Sperling <barry@angleinc.com> writes:

> Hello,
> 	I am a nuby and I couldn't find how to get the ASCII value of a
> character in a variable.  I looked in the Pragmatic Programmer and did
> this:
> 
> s = "ABC DE."
> s.scan( /./ ) do |a|
>       puts ?a
> end
> 
> but only got the ASCII value of the small letter 'a' ( 97 ).  What do
> I need to do?
> 	Thanks,
> 		Barry

| irb(main):005:0> s = "ABC DE."
| => "ABC DE."
| irb(main):006:0> s.scan(/./) do |a|
| irb(main):007:1*   puts a[0]
| irb(main):008:1> end
| 65
| 66
| 67
| 32
| 68
| 69
| 46
| => "ABC DE."
| irb(main):009:0> s.each_byte do |a|
| irb(main):010:1*   puts a
| irb(main):011:1> end
| 65
| 66
| 67
| 32
| 68
| 69
| 46
| => "ABC DE."

  mikael