// file: lecture_07/example.cc
//

// local include files
//
#include "example.h"

// method: main
//
// main program starts here
//
int main(int argc, char** argv) {

  // open a file
  //
  bool status = false;
  FILE* fp = fopen(argv[1], "r");

    if (fp == (FILE*)NULL) {
    fprintf(stdout, "hello world\n");
  }
  
  long i = 0;
  char buf[999];
  while (fgets(buf, 999, fp)) {
    fprintf(stdout, "%d: %s\n", i++, buf);
  }

  // close the file
  //
  fclose(fp);

  // exit gracefully
  //
  return(0);
}