text: #include <iostream>
  #include "fastaf.h"
  
  using namespace std;
  
  int usage() {
      std::cerr << "Usage: ./getids <input.fa>" << std::endl;
      return 1;
  }
  
  int main(int argc, char* argv[]){
      if(argc == 2) {
          string path = argv[1];
          fastaf f1(path);
          f1.get_seq_ids();
      } else {
          return usage();
      }
      return 0;
  }