docs: def export(app, local):
      """Export the data."""
      print_header()
  
      log("Preparing to export the data...")
  
      id = str(app)
  
      subdata_path = os.path.join("data", id, "data")
  
      # Create the data package
      os.makedirs(subdata_path)
  
      # Copy the experiment code into a code/ subdirectory
      try:
          shutil.copyfile(
              os.path.join("snapshots", id + "-code.zip"),
              os.path.join("data", id, id + "-code.zip")
          )
  
      except:
          pass
  
      # Copy in the DATA readme.
      # open(os.path.join(id, "README.txt"), "a").close()
  
      # Save the experiment id.
      with open(os.path.join("data", id, "experiment_id.md"), "a+") as file:
          file.write(id)
  
      if not local:
          # Export the logs
          subprocess.call(
              "heroku logs " +
              "-n 10000 > " + os.path.join("data", id, "server_logs.md") +
              " --app " + id,
              shell=True)
  
          dump_path = dump_database(id)
  
          subprocess.call(
              "pg_restore --verbose --clean -d wallace " +
              os.path.join("data", id) + "/data.dump",
              shell=True)
  
      all_tables = [
          "node",
          "network",
          "vector",
          "info",
          "transformation",
          "transmission",
          "participant",
          "notification",
          "question"
      ]
  
      for table in all_tables:
          subprocess.call(
              "psql -d wallace --command=\"\\copy " + table + " to \'" +
              os.path.join(subdata_path, table) + ".csv\' csv header\"",
              shell=True)
  
      if not local:
          os.remove(dump_path)
  
      log("Zipping up the package...")
      shutil.make_archive(
          os.path.join("data", id + "-data"),
          "zip",
          os.path.join("data", id)
      )
  
      shutil.rmtree(os.path.join("data", id))
  
      log("Done. Data available in " + str(id) + ".zip")