fileex

Documentation

Index

• Constants
• Variables
• func CheckPermission(src string) bool
• func CopyDir(src string, dst string) error
• func CopyFile(src, dst string) error
• func CreateDir(path string) error
• func CreateFile(path string) bool
• func DirExists(path string) bool
• func Exists(path string) bool
• func FileExists(path string) bool
• func FileMTime(file string) (int64, error)
• func FilePutContents(fileName, data string, flags ...interface{}) (int, error)
• func FileSize(file string) (int64, error)
• func GetDatasFromCSV(file *os.File) ([][]string, error)
• func GetDatasFromXlsx(file *os.File) ([][]string, error)
• func GetExePath() (exePath string, err error)
• func GetFileDir(filePath string) string
• func HumaneFileSize(s uint64) string
• func IsDir(fileName string) bool
• func IsFile(fp string) bool
• func IsLink(fileName string) bool
• func IsRegularFile(fileName string) bool
• func ReadJsonFileIntoVar(val interface{}, jFile string) error
• func ReadLine(r *bufio.Reader) ([]byte, error)
• func ToBytes(filePath string) ([]byte, error)
• func ToInt64(filePath string) (int64, error)
• func ToString(filePath string) (string, error)
• func ToTrimString(filePath string) (string, error)
• func ToUint64(filePath string) (uint64, error)
• func WriteBytes(filePath string, b []byte) (int, error)
• func WriteFileAtomic(filename string, data []byte, perm os.FileMode) error
• func WritePidFile(pidFile ...string)
• func WriteString(filePath string, s string) (int, error)
• func WriteValueToJsonFile(val interface{}, jFile string) error
• type SectionWriter
  • func NewSectionWriter(w io.WriterAt, off int64, n int64) *SectionWriter
  • func (s *SectionWriter) Seek(offset int64, whence int) (int64, error)
  • func (s *SectionWriter) Size() int64
  • func (s *SectionWriter) Write(p []byte) (n int, err error)
  • func (s *SectionWriter) WriteAt(p []byte, off int64) (n int, err error)

Constants

const (
	Byte  = 1
	KByte = Byte * 1024
	MByte = KByte * 1024
	GByte = MByte * 1024
	TByte = GByte * 1024
	PByte = TByte * 1024
	EByte = PByte * 1024
)

Storage unit constants.

Variables

var DEFAULT_PID_FILE = "log/PID"

DEFAULT_PID_FILE the default PID file name

var ErrExceedLimit = errors.New("write exceed limit")

var ErrOffset = errors.New("Seek: invalid offset")

var ErrWhence = errors.New("Seek: invalid whence")

Functions

func CheckPermission

func CheckPermission(src string) bool

CheckPermission 检查文件权限

func CopyDir

func CopyDir(src string, dst string) error

CopyDir 拷贝目录 copy directory from src to dst

func CopyFile

func CopyFile(src, dst string) error

CopyFile 拷贝文件 copy file

func CreateDir

func CreateDir(path string) error

func CreateFile

func CreateFile(path string) bool

func DirExists

func DirExists(path string) bool

检查目录是否存在

func Exists

func Exists(path string) bool

校验目录或文件是否存在

func FileExists

func FileExists(path string) bool

func FileMTime

func FileMTime(file string) (int64, error)

FileMTime returns file modified time and possible error.

func FilePutContents

func FilePutContents(fileName, data string, flags ...interface{}) (int, error)

FilePutContents write files with offset/limit fileName name of file to where put data flags[0] - flags how to put this data FileAppend | LockEx

func FileSize

func FileSize(file string) (int64, error)

FileSize returns file size in bytes and possible error.

func GetDatasFromCSV

func GetDatasFromCSV(file *os.File) ([][]string, error)

GetDatasFromCSV 从csv文件获取数据

func GetDatasFromXlsx

func GetDatasFromXlsx(file *os.File) ([][]string, error)

GetDatasFromXlsx 从xlsx文件获取数据

func GetExePath

func GetExePath() (exePath string, err error)

func GetFileDir

func GetFileDir(filePath string) string

func HumaneFileSize

func HumaneFileSize(s uint64) string

HumaneFileSize calculates the file size and generate user-friendly string.

func IsDir

func IsDir(fileName string) bool

IsDir tells whether the filename is a directory

func IsFile

func IsFile(fp string) bool

func IsLink

func IsLink(fileName string) bool

IsLink tells whether the filename is a symbolic link

func IsRegularFile

func IsRegularFile(fileName string) bool

IsRegularFile tells whether the filename is a regular file

func ReadJsonFileIntoVar

func ReadJsonFileIntoVar(val interface{}, jFile string) error

func ReadLine

func ReadLine(r *bufio.Reader) ([]byte, error)

func ToBytes

func ToBytes(filePath string) ([]byte, error)

func ToInt64

func ToInt64(filePath string) (int64, error)

func ToString

func ToString(filePath string) (string, error)

func ToTrimString

func ToTrimString(filePath string) (string, error)

func ToUint64

func ToUint64(filePath string) (uint64, error)

func WriteBytes

func WriteBytes(filePath string, b []byte) (int, error)

func WriteFileAtomic

func WriteFileAtomic(filename string, data []byte, perm os.FileMode) error

Write file to temp and atomically move when everything else succeeds.

func WritePidFile

func WritePidFile(pidFile ...string)

WritePidFile writes the current PID to the specified file.

func WriteString

func WriteString(filePath string, s string) (int, error)

func WriteValueToJsonFile

func WriteValueToJsonFile(val interface{}, jFile string) error

Types

type SectionWriter

type SectionWriter struct {
	// contains filtered or unexported fields
}

func NewSectionWriter

func NewSectionWriter(w io.WriterAt, off int64, n int64) *SectionWriter

func (*SectionWriter) Seek

func (s *SectionWriter) Seek(offset int64, whence int) (int64, error)

func (*SectionWriter) Size

func (s *SectionWriter) Size() int64

Size returns the size of the section in bytes.

func (*SectionWriter) Write

func (s *SectionWriter) Write(p []byte) (n int, err error)

func (*SectionWriter) WriteAt

func (s *SectionWriter) WriteAt(p []byte, off int64) (n int, err error)