fscanf() - fprintf() example : File Read « File « C / ANSI-C





fscanf() - fprintf() example


#include <stdio.h>
#include <io.h>
#include <stdlib.h>

int main(void)
{
  FILE *fp;
  char s[80];
  int t;

  if((fp=fopen("test", "w")) == NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }

  printf("Enter a string and a number: ");
  fscanf(stdin, "%s%d", s, &t); /* read from keyboard */

  fprintf(fp, "%s %d", s, t); /* write to file */
  fclose(fp); 

  if((fp=fopen("test","r")) == NULL) {
    printf("Cannot open file.\n");
    exit(1);
  }

  fscanf(fp, "%s%d", s, &t); /* read from file */
  fprintf(stdout, "%s %d", s, t); /* print on screen */

  return 0;
}

           
       










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