diff --git a/types.go b/types.go
index 8b4831b..af44a00 100644
--- a/types.go
+++ b/types.go
@@ -1,6 +1,12 @@
 package main
 
-import "time"
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"time"
+)
 
 type device struct {
 	Name           string `json:"name"`
@@ -111,6 +117,26 @@ type output struct {
 	Links     []link `json:"links"`
 }
 
+func (o *output) writeToFile() error {
+	file, err := json.MarshalIndent(o, "", "  ")
+	if err != nil {
+		return fmt.Errorf("can't marshal to json: %+v", o)
+	}
+
+	// write to file
+	if _, err := os.Stat("output"); os.IsNotExist(err) {
+		err = os.Mkdir("output", 0755)
+		if err != nil {
+			return fmt.Errorf("can't create output folder")
+		}
+	}
+	err = ioutil.WriteFile("output/meshviewer.json", file, 0644)
+	if err != nil {
+		return fmt.Errorf("can't write to json file meshviewer.json")
+	}
+	return nil
+}
+
 type apiResponse struct {
 	StatusCode int    `json:"statusCode"`
 	Error      string `json:"error"`