Golang 删除文件并递归删除空目录的操作_Golang_

 func deleteFileOnDisk(localPath string) { log.Debugf("remove file: %s", localPath) if err := os.Remove(localPath); err != nil { log.Error(err) } dirsList := make([]string, 0, 0) for dir := path.Dir(localPath); dir != svr.dataDir && len(dir) > len(svr.dataDir); dir = path.Dir(dir) { dirsList = append(dirsList, dir) } sort.StringSlice(dirsList).Sort() for i := len(dirsList) - 1; i >= 0; i-- { f, err := os.Open(dirsList[i]) if err != nil { log.Error(err) } fs, err2 := f.Readdirnames(1) if err2 == io.EOF && (fs == nil || len(fs) == 0) { f.Close() log.Debugf("remove dir: %s", dirsList[i]) if err := os.Remove(dirsList[i]); err != nil { log.Error(err) } continue } else if err2 != nil { log.Error(err2) } f.Close() } } 

 package main import ( "io/ioutil" "os" "path" ) func main() { dir, err := ioutil.ReadDir("/tmp") for _, d := range dir { os.RemoveAll(path.Join([]string{"tmp", d.Name()}...)) } }

 find -type d -empty|xrags rmdir

 package main import ( "fmt" "io/ioutil" "os" "path" ) func findEmptyFolder(dirname string) (emptys []string, err error) { // Golang学习 - io/ioutil 包 // https://www.cnblogs.com/golove/p/3278444.html files, err := ioutil.ReadDir(dirname) if err != nil { return nil, err } // 判断底下是否有文件 if len(files) == 0 { return []string{dirname}, nil } for _, file := range files { if file.IsDir() { edirs, err := findEmptyFolder(path.Join(dirname, file.Name())) if err != nil { return nil, err } if edirs != nil { emptys = append(emptys, edirs...) } } } return emptys, nil } func main() { if len(os.Args) != 2 { fmt.Println("Usage:", os.Args[0], "起始路径") return } emptys, err := findEmptyFolder(os.Args[1]) if err != nil { fmt.Println(err.Error()) return } for _, dir := range emptys { if err := os.Remove(dir); err != nil { fmt.Println("错误:", err.Error()) } else { fmt.Println("删除成功:", dir) } } }