merb-core.rb

    # ==== Returns
    # String::
    #   The path to the log file. If this Merb instance is running as a daemon
    #   this will return +STDOUT+.
    def log_file
      if Merb::Config[:log_file]
        Merb::Config[:log_file]
      elsif Merb.testing?
        log_path / "merb_test.log"
      elsif !(Merb::Config[:daemonize] || Merb::Config[:cluster])
        STDOUT
      else
        log_path / "merb.#{Merb::Config[:port]}.log"
      end
    end

    # ==== Returns
    # String:: Path to directory that contains the log file.
    def log_path
      path = case Merb::Config[:log_file]
      when String then File.dirname(Merb::Config[:log_file])
      else Merb.root_path("log")
      end

      Pathname.new(path)
    end