text: """ Add content from a csv file created by subreddit_tracker to a new or existing database."""
  from subreddit_tracker import db_utils
  
  # If subreddit_tracker.db file doesn't exist, it will be created.
  print("Opening or creating database subreddit_tracker.db.")
  db = db_utils.SubredditTrackerDB()
  
  # Open csv file
  print("Reading csv file.")
  with open("subreddits_subscribers_count_2019-07-02.csv") as f:
      # Pass the header line
      _ = f.readline()
      # Create tuples from csv file
      lines = [x.strip().split(",") for x in f.readlines()]
  
  with open("subreddit_subscribers_count_2juillet.csv") as f:
      # Pass the header line
      _ = f.readline()
      # Create tuples from csv file
      lines2 = [x.strip().split(",") for x in f.readlines()]
  
  lines += lines2
  
  # Fill tuples if 4th field doesn't exist
  for index, x in enumerate(lines):
      if len(x) == 3:
          lines[index] = x + [None]
  
  # Insert tuples into database
  print("Inserting data.")
  db.insert_to_table(lines)
  db.quit()
  