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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: Interpretation of extensions different from Unix/Linux?
Newsgroups: comp.lang.ada
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Date: Fri, 4 Sep 2009 09:40:12 +0200
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On Thu, 3 Sep 2009 17:22:44 -0500, Randy Brukardt wrote:

> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> wrote in message 
> news:17qw45cbpv4r.1rcmhhpnxv3dv.dlg@40tude.net...
> ...
>> This does not answer my question. Is file manager a typical application?
>> How can it be designed in Ada using Ada.Directories? Let us ignore GUI
>> issues.
> 
> IMHO, no, it is not a typical application.

Criterion?

1. Frequency of use
2. Number of implementations per OS
3. Number of implementations per language

> You serve no one by reinventing 
> the wheel, and file managers are an integral part of every modern OS, and 
> commonly available on lots of non-modern OSes.

So? Calculator program is available on all these OSes. Is it an argument
against Ada numeric types having operation "+"?

> Let the user use what they 
> are familar with. If you did write one with Ada.Directories (and you surely 
> can, you just have to use some OS-specific way of finding roots), it would 
> necessarily be a poor imitation of the provided one

Ada.Directories *is* a poor imitation of OS-specific file search. Why is it
in the standard? You cannot apply this logic while keeping Ada.Directories.

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