wrap the JSON data structure with some metadata

outputs/json.go

@@ -7,7 +7,7 @@ import (
 )
 
 func OutputJSON(app *common.PipetApp) string {
-	jsonData, _ := json.MarshalIndent(app.Data, "", "  ")
+	jsonData, _ := json.MarshalIndent(WrapData(app.Data), "", "  ")
 	return string(jsonData)
 
 }

outputs/template.go

@@ -10,6 +10,6 @@ import (
 func OutputTemplate(app *common.PipetApp, templateFile string) string {
 	tmpl, _ := template.ParseFiles(templateFile)
 	var doc bytes.Buffer
-	tmpl.Execute(&doc, app.Data)
+	tmpl.Execute(&doc, WrapData(app.Data))
 	return doc.String()
 }

outputs/utils.go

@@ -0,0 +1,12 @@
+package outputs
+
+import "time"
+
+func WrapData(data []interface{}) map[string]interface{} {
+
+	return map[string]interface{}{
+		"result":    data,
+		"timestamp": time.Now().Format(time.RFC3339),
+	}
+
+}