fsutil

func AllSubfolders ¶

func AllSubfolders(dir string) ([]string, error)

AllSubfolders gets all subfolders under given dir. Hidden folders are ignored.

func CreateFile ¶

func CreateFile(fp string, force bool) error

CreateFile create a new file with given path. If directory does not exist, return error. If force is true, will truncate existing one. Otherwise, will throw FileExist error.

func CreateFileRecursively ¶

func CreateFileRecursively(fp string) (*os.File, error)

CreateFileRecursively - create file anyway, if file exists, empty it and return.

func EnsureDir ¶

func EnsureDir(path string) error

EnsureDir will check whether directory exists. If not, create the directory.

func ExcludeExt ¶

func ExcludeExt(filename string) string

ExcludeExt returns filename without extension

func Exists ¶

func Exists(path string) (bool, error)

Exists returns whether the given file or directory exists or not.

func FileSync ¶

func FileSync(fp string, content []byte) error

blocking call

func IsDir ¶

func IsDir(path string) bool

IsDir checks whether the given path is a directory.

func IsEmpty ¶

func IsEmpty(path string) (bool, error)

IsEmpty tests whether the file size is empty. Always returns true if not exist.

func IsFile ¶

func IsFile(path string) bool

IsFile checks whether the given path is a regular file

func IsHiddenFile ¶

func IsHiddenFile(f os.FileInfo) bool

IsHiddenFile checks whether the file is hidden, that's, starts with ".".

func IsSymlink ¶

func IsSymlink(path string) bool

IsSymlink checks whether the given path is a regular file

func ProcessLine ¶

func ProcessLine(r io.Reader, handler func(line string) bool) error

ProcessLine reads the lines from reader and apply each line to handler. If handler returns false, stop consuming remaining lines. NOTE: Max allowed line size is 2M bytes. https://devmarkpro.com/working-big-files-golang

func SimpleExists ¶

func SimpleExists(path string) bool

SimpleExists reports whether the given path exists.

func WriteFile ¶

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

WriteFile writes content to file. If file exists, truncate it first.

func WriteToFile ¶

func WriteToFile(fp string, content []byte) error