anchor.diff:        {ok, Fd} when is_pid(Fd) ->
            check_rep(Fd, FilePosition, RegExp);
         _ ->
  -         throw(lists:flatten(io_lib:format("can't open file ~p~n", [Fname])))
  +         throw(lists:flatten(io_lib:format("can't open file ~p", [Fname])))
      end.
   
   check_rep(Fd, FilePosition, RegExp) ->
  
positive.code:       Res ->
           {reply, Res, State}
     catch
        _:Error ->
           error_logger:error_msg(
              "log_viewer::show_number call failed: ~p~n", [erlang:get_stacktrace()]),
           {reply, {error, Error}, State}
     end.
  
  
negative.code: find_report([_H|T], No) ->
     find_report(T, No);
  find_report([], No) ->
     throw(lists:flatten(io_lib:format("there is no report with number ~p.", [No]))).
  
  get_compare_dates(Date, CompareDate) ->
      case application:get_env(sasl, utc_log) of
  