fileutil

func AppendFile ¶

func AppendFile(filename string, data string)

func AppendLine ¶

func AppendLine(path string, content string) error

func AppendTo ¶

func AppendTo(fileName, content string) error

AppendTo append to file

func BuildDir ¶

func BuildDir(absDir string) error

BuildDir 创建目录

func CheckFileIsExist ¶

func CheckFileIsExist(filename string) bool

CheckFileIsExist 检查目录是否存在

func CheckNotExist ¶

func CheckNotExist(src string) bool

CheckNotExist check if the file exists

func CheckPermission ¶

func CheckPermission(src string) bool

CheckPermission check if the file has permission

func CopyDir ¶

func CopyDir(source string, dest string) (err error)

CopyDir copies the source directory to the dest directory.

func CopyFile ¶

func CopyFile(source string, dest string) (err error)

CopyFile copies the source file to the dest file.

func DeleteFile ¶

func DeleteFile(absDir string) error

DeleteFile 删除文件或文件夹

func DirName ¶

func DirName(argv ...string) string

func Empty ¶

func Empty(fileName string, args ...int64)

Empty empty the file

func Exist ¶

func Exist(fileName string) bool

Exist checks whether a file or directory exists. It returns false when the file or directory does not exist.

func FileExt ¶

func FileExt(filePathName string) string

func GetExt ¶

func GetExt(fileName string) string

GetExt get the file ext

func GetFileSize ¶

func GetFileSize(path string) (i int64, err error)

GetFileSize get the length in bytes of file of the specified path.

func GetImageName ¶

func GetImageName(name string) string

GetImageName get image hash name

func GetProPath ¶

func GetProPath() string

func GetSize ¶

func GetSize(r io.Reader) (i int, err error)

GetSize get the file size

func GrepFile ¶

func GrepFile(patten string, filename string) (lines []string, err error)

GrepFile like command grep -E for example: GrepFile(`^hello`, "hello.txt") \n is striped while read

func IoSha ¶

func IoSha(fileIO *os.File, args ...string) (string, error)

IoSha file sha

func Is ¶

func Is(filePath string) bool

Is returns true if path is a file, or returns false when it's a directory or not exist.

func IsBinary ¶

func IsBinary(content string) bool

IsBinary determines whether the specified content is a binary file content.

func IsDir ¶

func IsDir(path string) bool

IsDir determines whether the specified path is a directory.

func IsExist ¶

func IsExist(path string) bool

IsExist determines whether the file spcified by the given path is exists.

func IsFile ¶

func IsFile(f string) bool

func IsImg ¶

func IsImg(extension string) bool

IsImg determines whether the specified extension is a image.

func IsNotExistMkDir ¶

func IsNotExistMkDir(src string) (err error)

IsNotExistMkDir create a directory if it does not exist

func MTime ¶

func MTime(file string) (int64, error)

MTime returns file modified time and possible error.

func MkDir ¶

func MkDir(src string) (err error)

MkDir create a directory

func Mode ¶

func Mode(filePath string) os.FileMode

Mode returns file mode if file is a exist.

func MustOpen ¶

func MustOpen(fileName, filePath string) (f *os.File, err error)

MustOpen maximize trying to open the file

func Open ¶

func Open(name string, flag int, perm os.FileMode) (f *os.File, err error)

Open a file according to a specific mode

func ReadFile ¶

func ReadFile(path string) (string, error)

Read read file and return string

func ReadLine ¶

func ReadLine(path string) (src []string)

ReadFile 读取文件

func Save ¶

func Save(filename string, r io.Reader) (err error)

func Search ¶

func Search(fileName string, paths ...string) (fullpath string, err error)

Search Search a file in paths.

func Sha ¶

func Sha(filePath string, args ...string) (sha string, err error)

Sha open file return sha

func Size ¶

func Size(file string) (int64, error)

Size returns file size in bytes and possible error.

func Write ¶

func Write(fileName, writeStr string)

Write writes data to a file named by filename. If the file does not exist, WriteFile creates it and its upper level paths.

func WriteFile ¶

func WriteFile(fileName string, data []byte) error

WriteFile writes data to a file named by filename. If the file does not exist, WriteFile creates it and its upper level paths.

func WriteString ¶

func WriteString(path string, content string, append bool) error