1 // Copyright 2013 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package tar_test 6 7 import ( 8 "archive/tar" 9 "bytes" 10 "fmt" 11 "io" 12 "log" 13 "os" 14 ) 15 16 func Example_minimal() { 17 // Create and add some files to the archive. 18 var buf bytes.Buffer 19 tw := tar.NewWriter(&buf) 20 var files = []struct { 21 Name, Body string 22 }{ 23 {"readme.txt", "This archive contains some text files."}, 24 {"gopher.txt", "Gopher names:\nGeorge\nGeoffrey\nGonzo"}, 25 {"todo.txt", "Get animal handling license."}, 26 } 27 for _, file := range files { 28 hdr := &tar.Header{ 29 Name: file.Name, 30 Mode: 0600, 31 Size: int64(len(file.Body)), 32 } 33 if err := tw.WriteHeader(hdr); err != nil { 34 log.Fatal(err) 35 } 36 if _, err := tw.Write([]byte(file.Body)); err != nil { 37 log.Fatal(err) 38 } 39 } 40 if err := tw.Close(); err != nil { 41 log.Fatal(err) 42 } 43 44 // Open and iterate through the files in the archive. 45 tr := tar.NewReader(&buf) 46 for { 47 hdr, err := tr.Next() 48 if err == io.EOF { 49 break // End of archive 50 } 51 if err != nil { 52 log.Fatal(err) 53 } 54 fmt.Printf("Contents of %s:\n", hdr.Name) 55 if _, err := io.Copy(os.Stdout, tr); err != nil { 56 log.Fatal(err) 57 } 58 fmt.Println() 59 } 60 61 // Output: 62 // Contents of readme.txt: 63 // This archive contains some text files. 64 // Contents of gopher.txt: 65 // Gopher names: 66 // George 67 // Geoffrey 68 // Gonzo 69 // Contents of todo.txt: 70 // Get animal handling license. 71 } 72
