add new flag: --print

cmd/options.go

@@ -9,11 +9,9 @@ type Options struct {
 	pcapFilter     string
 	listInterfaces bool
 	version        bool
+	print          bool
 }
 
 func (o Options) WritePath() string {
-	if o.writeFilePath == "" || o.writeFilePath == "-" {
-		return ""
-	}
 	return o.writeFilePath
 }

cmd/root.go

@@ -51,6 +51,8 @@ func init() {
 		"Print the list of the network interfaces available on the system")
 	rootCmd.Flags().BoolVar(&opts.version, "version", false,
 		"Print the ptcpdump and libpcap version strings and exit")
+	rootCmd.Flags().BoolVar(&opts.print, "print", false,
+		"Print parsed packet output, even if the raw packets are being saved to a file with the -w flag")
 }
 
 func Execute() error {

cmd/writer.go

@@ -28,7 +28,8 @@ func getWriters(opts Options, pcache *metadata.ProcessCache) ([]writer.PacketWri
 			return nil, err
 		}
 		writers = append(writers, pcapWriter)
-	} else {
+	}
+	if opts.writeFilePath == "" || opts.print {
 		stdoutWriter := writer.NewStdoutWriter(os.Stdout, pcache)
 		writers = append(writers, stdoutWriter)
 	}