App.open_for_writing =
      function(filename)
        local result = nativefs.newFile(filename)
        local ok, err = result:open('w')
        if ok then
          return result
        else
          return ok, err
        end
      end
        end
      end

  App.read_file =
      function(path)
        if not is_absolute_path(path) then
          return --[[status]] false, 'Please use an unambiguous absolute path.'
        end
        local f, err = App.open_for_reading(path)
        if err then
          return --[[status]] false, err
        local contents = f:read()
        f:close()
        return contents
  App.write_file =
      function(path, contents)
        if not is_absolute_path(path) then
          return --[[status]] false, 'Please use an unambiguous absolute path.'
        end
        local f, err = App.open_for_writing(path)
        if err then
          return --[[status]] false, err
        end
        f:write(contents)
        f:close()
        return --[[status]] true
      end

        end

      end
  App.open_for_writing =
      function(filename)
        local result = nativefs.newFile(filename)
        local ok, err = result:open('w')
        if ok then
          return result
        else
          return ok, err
        end
      end