file

Documentation

Index

• Variables
• func CopyDir(dst, src string) error
• func CopyFile(old, new string) error
• func CopyN(writer io.Writer, src io.Reader, size int64) (int64, error)
• func CreateFile(filename string, perm os.FileMode) (*os.File, error)
• func CreatePath(path string) error
• func DecodeFileModifyTime(filename string, lastModifyTime int64, decoder DecodeFunc) (int64, interface{}, error)
• func DirEmpty(path string) bool
• func IsDir(f string) int
• func IsExist(f string) bool
• func IsFile(f string) bool
• func MD5(filename string) string
• func MD5Byte(src io.Reader) []byte
• func MD5ByteSize(src io.Reader) ([]byte, int64)
• func MD5Reader(src io.Reader) string
• func MD5Size(src io.Reader) (string, int64)
• func Open(filename string) (*os.File, int64, error)
• func Read(f io.Reader, size int) ([]byte, error)
• func ReadDir(path string, depth *Depth, ...) error
• func ReadFile(f *os.File) ([]byte, error)
• func ReadFileModifyTime(filename string, lastModifyTime int64) (int64, []byte, error)
• func ReadFileName(filename string, reader func(r *os.File) error) (int64, error)
• func SameFile(a, b string) (bool, error)
• func Write(filename string, src io.Reader, perm os.FileMode) error
• func WriteFileName(filename string, perm os.FileMode, writer func(w *os.File) error) error
• func WriteOut(filename string, src io.Reader, perm os.FileMode, outer func(w *os.File) error) error
• type DecodeFunc
• type Depth
  • func WithDepth(depth int) Depth
  • func WithMaxDepth() Depth

Variables

var ErrNotModified = errors.New("file not modified")

Functions

func CopyDir

func CopyDir(dst, src string) error

func CopyFile

func CopyFile(old, new string) error

CopyFile is used to copy a file

func CopyN

func CopyN(writer io.Writer, src io.Reader, size int64) (int64, error)

func CreateFile

func CreateFile(filename string, perm os.FileMode) (*os.File, error)

func CreatePath

func CreatePath(path string) error

func DecodeFileModifyTime

func DecodeFileModifyTime(filename string, lastModifyTime int64, decoder DecodeFunc) (int64, interface{}, error)

func DirEmpty

func DirEmpty(path string) bool

DirEmpty 目录是否为空

func IsDir

func IsDir(f string) int

func IsExist

func IsExist(f string) bool

IsExist 文件或目录

func IsFile

func IsFile(f string) bool

func MD5

func MD5(filename string) string

func MD5Byte

func MD5Byte(src io.Reader) []byte

func MD5ByteSize

func MD5ByteSize(src io.Reader) ([]byte, int64)

MD5ByteSize return md5 bytes and file's size

func MD5Reader

func MD5Reader(src io.Reader) string

func MD5Size

func MD5Size(src io.Reader) (string, int64)

MD5Size return md5 hex(32) and file's size

func Open

func Open(filename string) (*os.File, int64, error)

func Read

func Read(f io.Reader, size int) ([]byte, error)

func ReadDir

func ReadDir(path string, depth *Depth, handler func(name string, isDir bool, entry os.DirEntry) int) error

ReadDir handler return 1: ignore, 0: ok, other: err

func ReadFile

func ReadFile(f *os.File) ([]byte, error)

func ReadFileModifyTime

func ReadFileModifyTime(filename string, lastModifyTime int64) (int64, []byte, error)

func ReadFileName

func ReadFileName(filename string, reader func(r *os.File) error) (int64, error)

func SameFile

func SameFile(a, b string) (bool, error)

SameFile returns true if the two given paths refer to the same physical file on disk, using the unique file identifiers from the underlying operating system. For example, on Unix systems this checks whether the two files are on the same device and have the same inode.

func Write

func Write(filename string, src io.Reader, perm os.FileMode) error

func WriteFileName

func WriteFileName(filename string, perm os.FileMode, writer func(w *os.File) error) error

func WriteOut

func WriteOut(filename string, src io.Reader, perm os.FileMode, outer func(w *os.File) error) error

Types

type DecodeFunc

type DecodeFunc func(v []byte) (interface{}, error)

type Depth

type Depth struct {
	Depth int
	// contains filtered or unexported fields
}

func WithDepth

func WithDepth(depth int) Depth

func WithMaxDepth

func WithMaxDepth() Depth