From: Koji Arai <JCA02266@...>
Date: 2001-05-20T01:01:13+09:00
Subject: [ruby-talk:15399] Re: ruby bugs

Hi.

In message "[ruby-talk:15378] ruby bugs"
  on 19 May 2001 04:45:58 +0900,
  Mathieu Bouchard <matju@sympatico.ca> wrote:
> 
> Bug report.
> 
> 
> The expression:
> 
> 	printf "%x", -42
> 
> shows:
> 
> 	..fd6
> 
> I assert that it should show:
> 
> 	-2a
> 
> that is, the same as:
> 
> 	printf "%s%x", (-42<0) ? "-" : "", (-42).abs

you can specify singed flag:

p sprintf("% x", 42)   # => " 2a"
p sprintf("% x", -42)  # => "-2a"

p sprintf("%+x", 42)   # => "+2a"
p sprintf("%+x", -42)  # => "-2a"

--
Koji Arai