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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Press Release - Ada 2012 Language Standard Approved by ISO
Date: Fri, 11 Jan 2013 15:15:51 +0100
Organization: cbb software GmbH
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Date: 2013-01-11T15:15:51+01:00
List-Id: <comp.lang.ada>

On Fri, 11 Jan 2013 12:33:58 +0100, Yannick Duch�ne (Hibou57) wrote:

> Le Thu, 27 Dec 2012 16:30:15 +0100, Dmitry A. Kazakov  
> <mailbox@dmitry-kazakov.de> a �crit:
>>> If you are rasising "File_Not_Found" then you need a precondition of
>>> "File_Exists".
>>
>> And a nice race condition coming with that! Never use File_Exists if you
>> can.
> 
> I don't understand this one. Is there a short example scenario to make it  
> clearer?

if exists then
   open old
else
   create new
end if;

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de