github.com/MangoDowner/go-gm@v0.0.0-20180818020936-8baa2bd4408c/src/path/filepath/example_unix_test.go (about)

     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  // +build !windows,!plan9
     6  
     7  package filepath_test
     8  
     9  import (
    10  	"fmt"
    11  	"path/filepath"
    12  )
    13  
    14  func ExampleSplitList() {
    15  	fmt.Println("On Unix:", filepath.SplitList("/a/b/c:/usr/bin"))
    16  	// Output:
    17  	// On Unix: [/a/b/c /usr/bin]
    18  }
    19  
    20  func ExampleRel() {
    21  	paths := []string{
    22  		"/a/b/c",
    23  		"/b/c",
    24  		"./b/c",
    25  	}
    26  	base := "/a"
    27  
    28  	fmt.Println("On Unix:")
    29  	for _, p := range paths {
    30  		rel, err := filepath.Rel(base, p)
    31  		fmt.Printf("%q: %q %v\n", p, rel, err)
    32  	}
    33  
    34  	// Output:
    35  	// On Unix:
    36  	// "/a/b/c": "b/c" <nil>
    37  	// "/b/c": "../b/c" <nil>
    38  	// "./b/c": "" Rel: can't make ./b/c relative to /a
    39  }
    40  
    41  func ExampleSplit() {
    42  	paths := []string{
    43  		"/home/arnie/amelia.jpg",
    44  		"/mnt/photos/",
    45  		"rabbit.jpg",
    46  		"/usr/local//go",
    47  	}
    48  	fmt.Println("On Unix:")
    49  	for _, p := range paths {
    50  		dir, file := filepath.Split(p)
    51  		fmt.Printf("input: %q\n\tdir: %q\n\tfile: %q\n", p, dir, file)
    52  	}
    53  	// Output:
    54  	// On Unix:
    55  	// input: "/home/arnie/amelia.jpg"
    56  	// 	dir: "/home/arnie/"
    57  	// 	file: "amelia.jpg"
    58  	// input: "/mnt/photos/"
    59  	// 	dir: "/mnt/photos/"
    60  	// 	file: ""
    61  	// input: "rabbit.jpg"
    62  	// 	dir: ""
    63  	// 	file: "rabbit.jpg"
    64  	// input: "/usr/local//go"
    65  	// 	dir: "/usr/local//"
    66  	// 	file: "go"
    67  }
    68  
    69  func ExampleJoin() {
    70  	fmt.Println("On Unix:")
    71  	fmt.Println(filepath.Join("a", "b", "c"))
    72  	fmt.Println(filepath.Join("a", "b/c"))
    73  	fmt.Println(filepath.Join("a/b", "c"))
    74  	fmt.Println(filepath.Join("a/b", "/c"))
    75  	// Output:
    76  	// On Unix:
    77  	// a/b/c
    78  	// a/b/c
    79  	// a/b/c
    80  	// a/b/c
    81  }