file

func AtomicWriteFile ¶

func AtomicWriteFile(filepath string, data []byte, perm os.FileMode) (err error)

func CleanDir ¶

func CleanDir(dir string)

CleanDir removes the directory.

func CleanDirs ¶

func CleanDirs(dirs ...string)

CleanDirs removes multiple directories.

func CleanFile ¶

func CleanFile(file *os.File)

CleanFile removes the file.

func CleanFiles ¶

func CleanFiles(file ...string) error

CleanFiles removes multiple files.

func Copy ¶

func Copy(src, dest string) error

Copy copies file from source to target path.

func CopyDirV3 ¶

func CopyDirV3(srcPath, destPath string, filters ...func(filePath string) bool) error

CopyDirV3 copy files recursively from source to target directory.

The filter accepts a function that process the path info. and should return true for need to filter.

It returns error when error occurs in underlying functions.

func CountDirFiles ¶

func CountDirFiles(dirName string) int

CountDirFiles reutrns # of files under a directory.

func Filename ¶

func Filename(f string) string

Filename returns the file name after the last "/".

func GetAllSubDirs ¶

func GetAllSubDirs(rootPath string) ([]string, error)

GetAllSubDirs returns all subdirectories of given root path. Slice does not include given path itself.

func GetFileListBySuffix ¶

func GetFileListBySuffix(dirPath, suffix string) ([]string, error)

GetFileListBySuffix returns an ordered list of file paths. It recognize if given path is a file, and don't do recursive find.

func GetFileSize ¶

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

GetFileSize returns the size of a file.

func GetFiles ¶

func GetFiles(path string) (paths []string, err error)

GetFiles returns all the files under the path.

func GetFilesSize ¶

func GetFilesSize(paths []string) (int64, error)

GetFilesSize returns the size of multiple files.

func GetHomeDir ¶

func GetHomeDir() string

func IsDir ¶

func IsDir(path string) bool

IsDir returns if the given path is a directory.

func IsExist ¶

func IsExist(fileName string) bool

IsExist returns if a file exists.

func IsFile ¶

func IsFile(filePath string) bool

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

func LgetAllSubDirs ¶

func LgetAllSubDirs(rootPath string) ([]string, error)

LgetAllSubDirs returns all subdirectories of given root path, including following symbolic links, if any. Slice does not include given path itself.

func LstatDir ¶

func LstatDir(rootPath string, includeDir ...bool) ([]string, error)

LstatDir gathers information of given directory by depth-first. It returns slice of file list, follows symbolic links and includes subdirectories if enabled; it returns error and nil slice when error occurs in underlying functions, or given path is not a directory or does not exist.

Slice does not include given path itself. If subdirectories is enabled, they will have suffix '/'.

func MkDirs ¶

func MkDirs(dirs ...string) error

MkDirs creates directories.

func MkTmpFile ¶

func MkTmpFile(path string) (*os.File, error)

MkTmpFile creates a temporary file.

func MkTmpdir ¶

func MkTmpdir(dir string) (string, error)

MkTmpdir creates a temporary directory.

func ReadAll ¶

func ReadAll(fileName string) ([]byte, error)

ReadAll reads all the content of the file.

func ReadLines ¶

func ReadLines(fileName string) ([]string, error)

ReadLines reads the contents from the file line by line.

func RecursionCopy ¶

func RecursionCopy(src, dst string) error

RecursionCopy equals to `cp -r`

func StatDir ¶

func StatDir(rootPath string, includeDir ...bool) ([]string, error)

StatDir gathers information of given directory by depth-first. It returns slice of file list and includes subdirectories if enabled; it returns error and nil slice when error occurs in underlying functions, or given path is not a directory or does not exist.

Slice does not include given path itself. If subdirectories is enabled, they will have suffix '/'.

func WriteFile ¶

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

WriteFile outputs all content to the file.

func WriteLines ¶

func WriteLines(fileName string, lines []string) error

WriteLines outputs lines to the file.