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// Copyright 2015 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 ioutil_test
import (
"fmt"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
)
func ExampleReadAll() {
r := strings.NewReader("Go is a general-purpose language designed with systems programming in mind.")
b, err := ioutil.ReadAll(r)
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", b)
// Output:
// Go is a general-purpose language designed with systems programming in mind.
}
func ExampleReadDir() {
files, err := ioutil.ReadDir(".")
if err != nil {
log.Fatal(err)
}
for _, file := range files {
fmt.Println(file.Name())
}
}
func ExampleTempDir() {
content := []byte("temporary file's content")
dir, err := ioutil.TempDir("", "example")
if err != nil {
log.Fatal(err)
}
defer os.RemoveAll(dir) // clean up
tmpfn := filepath.Join(dir, "tmpfile")
if err := ioutil.WriteFile(tmpfn, content, 0666); err != nil {
log.Fatal(err)
}
}
func ExampleTempFile() {
content := []byte("temporary file's content")
tmpfile, err := ioutil.TempFile("", "example")
if err != nil {
log.Fatal(err)
}
defer os.Remove(tmpfile.Name()) // clean up
if _, err := tmpfile.Write(content); err != nil {
log.Fatal(err)
}
if err := tmpfile.Close(); err != nil {
log.Fatal(err)
}
}
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