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Subject: Re: range in ascii
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From: Anders Wirzenius <anders@no.email.thanks.invalid>
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Date: Thu, 31 Mar 2005 10:52:46 GMT
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Date: 2005-03-31T10:52:46+00:00
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mieville@mac.com writes:

> Hi all, I now have my code to count frequency of letters in a text but
> I do not know how to read the command "enter" after I write my text.
> What I have now is CTRL+Q but of course is not an elegant solution and
> I know there is something easy but I cannot find it. Here below is my
> code if someone could help me in that single question I would be
> grateful. many thanks - sibyl
> 
> with Text_Io;
> use Text_Io;
> 
> with Ada.Integer_Text_Io;
> use Ada.Integer_Text_Io;
> 
> procedure Comptelettretest is
> 
>    Char , char2 : Character;
>    cod: integer ;
>    subtype Lettre is Integer range 20..255;
>    type Freq_Lettre is array (Lettre) of Integer;
>    Count : Freq_Lettre:= (others => 0);
> 
> begin
> 
>    Put_Line ("Entrer un text au choix et le terminer par 'CTRL/Q' et
> 'enter' ");
>    loop

        Get_Immediate (Char);
        Put (Char);
        --  Get (Char)

>       Get(Char);
> 
>       --how to escape from this instruction, I want to hit enter and
> have the list.

        exit when Char = ASCII.CR;  --  Works at least on Windows


>       exit when Char = ASCII.DC1;
>       cod := CHARACTER'POS(CHAR);
>       if cod in Lettre then
>          Count(cod) := Count (cod) +1;
>       end if;
>    end loop;
> 
> New_Line;
>    Put_Line("Frequence des lettres");
>    New_Line;
>    for cod in Lettre loop
>       char2 := CHARACTER'VAL(cod);
>       Put(char2);
>       put(Count(cod));
>       New_Line;
>   end loop;
>    
> end Comptelettretest;

Anders