#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>

int
main(void)
{
  FILE * fp;
  char * line = NULL;
  size_t len = 0;
  ssize_t read;

  size_t num_lines;
  size_t max_len;

  fp = fopen("./genome_VINCENT_BATTS_v5_Full_20240403215609.txt", "r");
  if (fp == NULL) {
    exit(EXIT_FAILURE);
  }

  while ((read = getline(&line, &len, fp)) != -1) {
    printf("Read line length: %zu:\n", read);
    if (read > 0) {
      if (line[0] == '#') {
        printf("skipping a comment line ...\n");
        continue;
      }
      if (read > max_len) {
        max_len = read;
      }
      num_lines++;
    }
    //printf("%s", line);
  }

  printf("num_lines: %zu\n", num_lines);
  printf("max_len: %zu\n", max_len);

  char **arr[num_lines];
  num_lines = 0;
  while ((read = getline(&line, &len, fp)) != -1) {
    printf("Read line length: %zu:\n", read);
    if (read > 0) {
      if (line[0] == '#') {
        continue;
      }
      arr[num_lines] = &line;
      num_lines++;
    }
  }

  int num;
  printf("enter a number: ");
  scanf("%d", &num);

  fclose(fp);
  if (line) {
    free(line);
  }

  exit(EXIT_SUCCESS);
}