From: nobu.nokada@...
Date: 2002-03-22T01:36:39+09:00
Subject: Re: Thought  on "abort with message" RCR

Hi,

At Fri, 22 Mar 2002 00:53:54 +0900,
Bob Alexander wrote:
> The RCR: http://www.rubygarden.org/article.php?sid=193.

It's implemented in 1.7.

> It seems that the proper implementation would be that an
> optional message argument for abort should NOT be printed by
> the abort method. Rather, it should be the "message" of the
> SystemExit exception that abort raises. The default handler
> for SystemExit should be modified to print the exception's
> message (if any) to $stderr before exiting.

Normal "exit" also raises SystemExit with message "exit", what
should be done?

> BTW, while looking into this, I noticed that the exit status
> is in the SystemExit object as a non-exposed instance
> variable -- seems that it would be better if it were a public
> "reader" method(?)

Do you mean SystemExit#status?

begin
  exit
rescue SystemExit
  p $!.status		# => 0
end
begin
  abort
rescue SystemExit
  p $!.status		# => 1
end

-- 
Nobu Nakada