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From: Adrian Knoth <adi@drcomp.erfurt.thur.de>
Newsgroups: comp.lang.ada
Subject: Re: Convert ASCII numerals to Integer numbers
Date: 6 Aug 2001 16:09:11 GMT
Organization: Modern Electronics
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Date: 2001-08-06T16:09:11+00:00
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Stewart <s_aitken@lineone.net> wrote:

> I am creating a menu and I am grabbing the terminal input using
> get_line, but on this particular command the last 1 .. 3 characters
> can be numerals in the range of 1 .. 999.
> I am considering character'pos but how can I manipulate to an integer?

Generally, you can use the string index:

procedure karl is
        input : string(1..6);
        i,j : integer;
begin
        get_line(input,j);
        i := Integer'Value(input(j-2..j) );
        put(i);
end karl;

Of course, you should replace this by dynamic handling, i.e. unbounded
strings combined with input'last-2 .. input'last.

-- 
mail: adi@thur.de  	http://adi.thur.de	PGP: v2-key via keyserver

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