Re: basic basic ada question

[Martin Krischik <krischik@users.sourceforge.net>]

Dmitry A. Kazakov schrieb:
> On Sat, 21 Oct 2006 13:32:45 -0400, Robert A Duff wrote:
> 
>> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
>>
>>> Well, this is a more general issue than just command line arguments. As for
>>> me I consider the very idea of tokenizing as harmful. It is unfortunate
>>> that both C and Ada follow a wrong concept in the command line interface.
>>> Tokenizing is just wasting resources. It is also useless when you have
>>> delimiters other than spaces, keyed arguments, or some nested structure. I
>>> prefer always to parse the original source: the command line as a whole. I
>>> never copy anything.
>> How?  On many operating systems, the "shell" or whatever will do all
>> kinds of command-line parsing before you can get your hands on it.  On
>> Unix, it even expands wildcards (a rather bad design, IMHO).
> 
> Surely depends on OS. In Windows there is GetCommandLine.
> 
> I didn't criticise design of Ada.Command_Line, rather I did the idea of
> tokenizing, when the programmer acts like a hamster storing things here and
> there. Most of them he will never find again. I don't know whether
> "hamster" programming stems from UNIX or just influenced it. (:-))
> 
> As for Ada.Command_Line, it could provide function Command return String;
> with a remark that depending on the OS its result might be not very
> authentic. [Neither Argument's result is.]

function Command return Wide_String;
function Command return Wide_Wide_String;

Martin