return err
					}

					dec := json.NewDecoder(buf)
					// Use number to preserve integers.
					dec.UseNumber()
					var htr map[string]interface{}
					if err = dec.Decode(&htr); err != nil {
						return err
					}
					ht[file.Name] = htr
				}
			}
			b, err := json.MarshalIndent(ht, "", "  ")
			if err != nil {
				return err
			}
			fmt.Println(string(b))