From: Paul Rogers <pmr16366@...>
Date: 2007-04-24T12:05:04+09:00
Subject: Re: exception and $!

On Apr 23, 8:40 pm, james.d.mast...@gmail.com wrote:
> On Apr 23, 6:55 pm, Paul Rogers <pmr16...@gmail.com> wrote:
>
> > the pickaxe tells me that the last exception is available in $!, but
> > c:\>irb
> > irb(main):001:0> raise "Its all bad!"
> > RuntimeError: Its all bad!
> >         from (irb):1
> > irb(main):002:0> puts $!
> > nil
>
> You may need to check for $! within the context of a begin/rescue/end
> block; this works:
>
> begin
>   raise "Its all bad!"
> rescue
>   puts "rescuing... #{$!}"
> end
>
> BTW, I'd recommend using the following instead of $! as $! is Perl-
> esque (i.e. esoteric):
>
> begin
>   raise "Its all bad!"
> rescue => error
>   puts "rescuing... #{error}"
>   # or even better use error.backtrace for backtrace information
> end

Thanks, I actually wanted to see what the last exception was out side
of a block, kind of like this
begin
  raise "bad"
rescue => e
  puts "#{e} was raised"
end
puts "Just to make sure, last exception was #{$!}"

Paul