pdslab/labTest/cs1713-test1-bonus.c

/*
 * Copyright (C) 2020, 2019, 2018, 2017 Girish M
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */

/*
Problem statement: https://www.isical.ac.in/~pdslab/2017/exams/labtest1.pdf
*/
 #include "common.h"

int main(int argc, char* argv[])
{
  if(argc == 3)
  {
    FILE* fptr;
    int c, num_bytes = 0;
    if((fptr = fopen(argv[2], "r")))
    {
      while((c = fgetc(fptr)) != -1)
      {
        num_bytes++;
        if((num_bytes % atoi(argv[1])) == 0)
        {
           printf("\n");
        }
        else
          printf("%.2X ", c);
      }
      printf("\n");
      fclose(fptr);
    }
    else
        printf("\nCould not open %s\n", argv[2]); 
  } 
  else
      printf("\nUsage: ./cs1713-test1-bonus.o num_bytes fileName\n");
  return 0;
}