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Newsgroups: comp.lang.ada
Subject: Re: basic basic ada question
From: Georg Bauhaus <bauhaus@futureapps.de>
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Date: Thu, 19 Oct 2006 16:47:37 +0200
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Date: 2006-10-19T16:45:28+02:00
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On Thu, 2006-10-19 at 07:30 -0700, markww wrote:
> Hi,
> 
> Can someone give me an example of a command line app where I can read
> in command line arguments?
> 
> In C++ we have:
> 
> int main(int argc, char **argv)
> {
>     printf("There are [%i] arguments.\n", argc);
>     return 0;
> }

This is from Ada's standard library:

 package Ada.Command_Line is

4       function Argument_Count return Natural;

5       function Argument (Number : in Positive) return String;


Once you have read the number of desired array components
from the command line into, say, the constant Num_Components,
declare a corresponding array type,

    ...
    type Your_Name_Here is array (? .. Num_Components) of ...;
    ...