Added portlist cmd-line utility

portlist/portlist.go

@@ -0,0 +1,37 @@
+//
+// Copyright 2014-2018 Cristian Maglie. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+//
+
+// portlist is a tool to list all the available serial ports.
+// Just run it and it will produce an output like:
+//
+// $ go run portlist.go
+// Port: /dev/cu.Bluetooth-Incoming-Port
+// Port: /dev/cu.usbmodemFD121
+//    USB ID     2341:8053
+//    USB serial FB7B6060504B5952302E314AFF08191A
+//
+package main
+
+import "fmt"
+import "log"
+import "go.bug.st/serial.v1/enumerator"
+
+func main() {
+	ports, err := enumerator.GetDetailedPortsList()
+	if err != nil {
+		log.Fatal(err)
+	}
+	if len(ports) == 0 {
+		return
+	}
+	for _, port := range ports {
+		fmt.Printf("Port: %s\n", port.Name)
+		if port.IsUSB {
+			fmt.Printf("   USB ID     %s:%s\n", port.VID, port.PID)
+			fmt.Printf("   USB serial %s\n", port.SerialNumber)
+		}
+	}
+}