// Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package filepath_test import ( "fmt" "path/filepath" ) func ExampleExt() { fmt.Printf("No dots: %q\n", filepath.Ext("index")) fmt.Printf("One dot: %q\n", filepath.Ext("index.js")) fmt.Printf("Two dots: %q\n", filepath.Ext("main.test.js")) // Output: // No dots: "" // One dot: ".js" // Two dots: ".js" }