# File lib/hammer_cli/options/normalizers.rb, line 108
        def format(val)
          # The JSON input can be either the path to a file whose contents are
          # JSON or a JSON string.  For example:
          #   /my/path/to/file.json
          # or
          #   '{ "units":[ { "name":"zip", "version":"9.0", "inclusion":"false" } ] }')
          json_string = ::File.exist?(::File.expand_path(val)) ? super(val) : val
          ::JSON.parse(json_string)

        rescue ::JSON::ParserError => e
          raise ArgumentError, _("Unable to parse JSON input")
        end