From: Robert Klemme <bob.news@...>
Date: 2004-07-05T16:37:41+09:00
Subject: Re: Exceptions list - Unix ENOENT not the name of the exception - what is?


"Lennon Day-Reynolds" <rcoder@gmail.com> schrieb im Newsbeitrag
news:5d4c6124040702163941cbd3c7@mail.gmail.com...
> On Fri, 2 Jul 2004 23:32:47 +0900, Robert Klemme <bob.news@gmx.net>
wrote:
> [...]
> > In this case catching Exception should have helped, too.  Or am I
missing
> > something?
> >
> > begin
> >   File.open("not possibly found here")
> > rescue Exception => e
> >   p e
> >   puts e.class
> > end
>
> This will work, but catch-all rescue blocks like that can be
> dangerous, as they can mask user interrupts, missing method errors,
> etc. Using the most specific exception class that still covers the
> errors you expect to see in a block means that unexpected errors will
> be thrown up to higher levels on the stack, which is exactly what
> should happen.

Of course you are right, but this code snippet was just meant to determine
the proper type.  I was responding to another suggestion how to find the
type of this exception.  This was not meant to be program code.

Regards

    robert