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// Copyright 2013 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.
// +build !windows,!plan9
package filepath_test
import (
"fmt"
"os"
"path/filepath"
)
func ExampleSplitList() {
fmt.Println("On Unix:", filepath.SplitList("/a/b/c:/usr/bin"))
// Output:
// On Unix: [/a/b/c /usr/bin]
}
func ExampleRel() {
paths := []string{
"/a/b/c",
"/b/c",
"./b/c",
}
base := "/a"
fmt.Println("On Unix:")
for _, p := range paths {
rel, err := filepath.Rel(base, p)
fmt.Printf("%q: %q %v\n", p, rel, err)
}
// Output:
// On Unix:
// "/a/b/c": "b/c" <nil>
// "/b/c": "../b/c" <nil>
// "./b/c": "" Rel: can't make ./b/c relative to /a
}
func ExampleSplit() {
paths := []string{
"/home/arnie/amelia.jpg",
"/mnt/photos/",
"rabbit.jpg",
"/usr/local//go",
}
fmt.Println("On Unix:")
for _, p := range paths {
dir, file := filepath.Split(p)
fmt.Printf("input: %q\n\tdir: %q\n\tfile: %q\n", p, dir, file)
}
// Output:
// On Unix:
// input: "/home/arnie/amelia.jpg"
// dir: "/home/arnie/"
// file: "amelia.jpg"
// input: "/mnt/photos/"
// dir: "/mnt/photos/"
// file: ""
// input: "rabbit.jpg"
// dir: ""
// file: "rabbit.jpg"
// input: "/usr/local//go"
// dir: "/usr/local//"
// file: "go"
}
func ExampleJoin() {
fmt.Println("On Unix:")
fmt.Println(filepath.Join("a", "b", "c"))
fmt.Println(filepath.Join("a", "b/c"))
fmt.Println(filepath.Join("a/b", "c"))
fmt.Println(filepath.Join("a/b", "/c"))
// Output:
// On Unix:
// a/b/c
// a/b/c
// a/b/c
// a/b/c
}
func ExampleWalk() {
dir := "dir/to/walk"
subDirToSkip := "skip" // dir/to/walk/skip
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
fmt.Printf("prevent panic by handling failure accessing a path %q: %v\n", dir, err)
return err
}
if info.IsDir() && info.Name() == subDirToSkip {
fmt.Printf("skipping a dir without errors: %+v \n", info.Name())
return filepath.SkipDir
}
fmt.Printf("visited file: %q\n", path)
return nil
})
if err != nil {
fmt.Printf("error walking the path %q: %v\n", dir, err)
}
}
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