Added parsing arguments of command line

src/main.go

@@ -2,6 +2,7 @@
 package main
 
 import (
+	"flag"
 	"fmt"
 	"log"
 	"os/exec"
@@ -67,8 +68,16 @@ func GetKeyNumsFromOutput(buf []byte) []uint8 {
 
 func main() {
 
-	keyboardID := 14
+	keyboardId := flag.Int("id", -1, "Your keyboard id")
-	cmd := exec.Command("xinput", "test", strconv.Itoa(keyboardID))
+	outputPath := flag.String("o", "", "Path to export file")
+	flag.Parse()
+	log.Println("keyboardId =", *keyboardId, "outputPath =", *outputPath)
+	switch {
+	case *keyboardId == -1 && *outputPath == "":
+		flag.PrintDefaults()
+		return
+	case *keyboardId != -1:
+		cmd := exec.Command("xinput", "test", strconv.Itoa(*keyboardId))
 
 		stdout, err := cmd.StdoutPipe()
 		if err != nil {
@@ -88,4 +97,7 @@ func main() {
 			fmt.Println(n)
 			time.Sleep(SLEEP_TIME)
 		}
+	case *outputPath != "":
+		//exporting here
+	}
 }