Re: [Dev-C++] question about file

[Rob L. <rob...@nt...>]

two things:
1. getc extracts an ascii character from the file to get its corresponding
integer value u must subtract 48 from it
2. a=a+c also adds EOF to a which is -1 u need to check for EOF before u do
a=a+c
hope this helps
Rob
----- Original Message -----
From: "Gabriel Alejand Yañez Lemus" <gab...@ud...>
To: <dev...@li...>
Sent: Monday, November 22, 2004 10:20 PM
Subject: [Dev-C++] question about file


> Hi!!
> I made a source code in C for read numbers from a file, plus them and show
> the result on screen.This is the code.
>
> #include <stdio.h>
> #include <stdlib.h>
>
> int main()
> {
>     FILE *nombre;
>     int c,a=0;
>
>     nombre = fopen("Prueba.txt", "r");
>
>     if (nombre == NULL)
>     {
>         printf("El archivo no existe \n");
>         exit (EXIT_FAILURE);
>     }
>     else
>     {
>         do
>         {
>             c = getc(nombre);
>             a=a +c;
>
>         }
>         while (c != EOF);
>     }
>     printf("%d",a);
>     fclose(nombre);
>
>     return EXIT_SUCCESS;
> }
>
> I don't know why this code doesn't work. The file "prueba.txt" contains
> the numbers 2 3 and 3.The program must do "2+3+3" and show on screen "8"
> but i don't know what's wrong, the program shows "151".
>
> Help me please!
>
> Anybody have a good day!
>
>
>
>
>
>
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