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From: John McCabe <john@nospam.assen.demon.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: Ada.Command_Line.Argument_Count question
Date: Fri, 18 Sep 2009 16:03:43 +0100
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Date: 2009-09-18T16:03:43+01:00
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On Thu, 17 Sep 2009 22:12:17 -0700 (PDT), sjw <simon.j.wright@mac.com>
wrote:

>On Sep 17, 2:50�pm, John McCabe <j...@nospam.assen.demon.co.uk> wrote:
>
>> For example if, on the command line, I type:
>>
>> prog1.exe a b c
>>
>> Does Argument_Count() return 3 or 4? I haven't looked at this
>> paragraph in detail, or what surrounds it, but "the number of
>> arguments passed to the program invoking the function" sounds a bit
>> vague. Is the "program invoking the function" the shell, or the
>> program you're running?
>
>3.

>The program you're running.

For all implementations?

I see that Ada.Command_Line.Command_Name returns the name of the
program that's been run. On Gnat at least it all makes sense. Compared
to C++ (MSVC) on Win32 for:

printargs.exe 1 2 3

I get..
               Ada            C++
Argument Count 3              4
command name   printargs.exe  equiv. to argv[0]
argument 1     1              1
argument 2     2              2
argument 3     3              3

I guess, from the Annotated ARM, section A.15(22) & A.15(22a).