PC^2/pc2/samps/sumit.c

   1
   2 /*
   3  * File:    sum.c
   4  * Purpose: to sum the integers in the file sumit.dat
   5  * Author:  pc2@ecs.csus.edu or http://www.ecs.csus.edu/pc2
   6  *
   7  * Tue Oct 19 21:32:14 PDT 1999
   8  *
   9  * caveat - this is not nice code, copy at own risk ;)
  10  *
  11  * $Id: sumit.c,v 1.1 2005/03/06 05:13:57 laned Exp $
  12  *
  13  */
  14
  15 #include <stdio.h>
  16
  17 #define INFILENAME "sumit.dat"
  18
  19 main ()
  20 {
  21         FILE *fp = fopen (INFILENAME,"r");
  22         int sum = 0;
  23         int i;
  24
  25         if (fp)
  26         {
  27                 while (1==fscanf(fp, "%d", &i))
  28                 {
  29                         sum += i > 0 ? i : 0;
  30                 }
  31                 fclose (fp);
  32                 printf("The sum of the positive integers is %d \n",sum);
  33         }
  34         else
  35         {
  36                 printf("Could not read from file sumit.dat \n");
  37         }
  38
  39 }
  40
  41 /* eof */