Re: Another problems of newbie

[Andre <avsaway@hotmail.com>]

maxsio ;D wrote:
> I need to write some program and I have problems with it. This program 
> should read text file, write words to array, sort them and than write to 
> another text file. In one book I found way how to read only singel char 
> so I thought it would be easy to link singel char and rest part of final 
> word, but I was wrong. I've written this subprogram (this program is 
> reading from keyboard, but with files is similar so...) :
> *
> procedure chars is
>   word : string(1..31);
>   char : character;
> 
> begin
>   for i in 1..30 loop
>     Get(char);
>     word:=word&(string(char));
>   end loop;
>   Put(word);
>   delay 10.0;
> end chars;
> *
> but after first letter program generate constraint error. And second 
> problem which I have is sorting array with words. To sort array I've 
> choosen QuickSort, but I don't know totally how to use it in Ada. I was 
> searching in Google, but I found only QuickSort with pointers. 
> Unfortunately I don't understand how to use them good ind this 
> algorithm. If anybody could explain usage of pointers in this algorithm 
> or write QuickSort without pointers I'd be grateful.
> Sorry for my poor English and thanks in advance. Greetings
> 
> maxsio

word:=word&(string(char)) is a concatenation of the string word and the 
char. This requiers a sting of 1 .. 32.

what you want is:
    word (i) := char;

Andr�