From: Robert Klemme <shortcutter@...>
Date: 2008-09-19T05:07:40+09:00
Subject: Re: at_exit handler *except* for fatal runtime error

On 18.09.2008 18:31, DMisener wrote:
> On Sep 18, 1:03 pm, Robert Klemme <shortcut...@googlemail.com> wrote:
>> 2008/9/18 synergism <synerg...@gmail.com>:
>>
>>> How do we execute a handler (I assume via at_exit) when a program
>>> terminates *except* when there was a fatal runtime error (e.g. any
>>> error such as "divide by zero" that terminates the program)?
>> You can use exit! for this:
>>
> ...
>> -e:1: Foo (RuntimeError)
>> 18:09:21 ~$ ruby -e 'at_exit { puts "exiting" }; exit! 1'
>> 18:09:27 ~$
>>
>> Catch specific errors and use exit! to exit the program.  Then your
>> handlers won't be invoked.
>>
> 
> But out above example we want to suppress the  file rename for any
> "unanticipated exception" -- which
> is just the opposite of the solution you presented :=).

Oh, come on.  You can easily use that information to build what you want.

	robert