fileutil

Documentation

Index

• Constants
• Variables
• func BufferWriteAppend(file *os.File, content string) error
• func CombineNewFilename(srcFile, destFile, delimiter string) string
• func CopyFile(src, dst string) error
• func CountLines(filename string) (uint, error)
• func CountLinesWithOptions(reader io.Reader, separator []byte, filter func([]byte) bool) (uint, error)
• func CountLinesWithSeparator(separator []byte, filename string) (uint, error)
• func CreateFolder(path string) error
• func CreateFolders(paths ...string) error
• func DeleteFilesOlderThan(folder string, filter FileFilters) error
• func DownloadFile(filepath string, url string) error
• func ExecutableName() string
• func FileExists(filename string) bool
• func FileOrFolderExists(name string) bool
• func FolderExists(foldername string) bool
• func GetFilename(srcFile string) string
• func GetTempFileName() (string, error)
• func HasPermission(fileName string, permission int) (bool, error)
• func HasStdin() bool
• func IsReadable(fileName string) (bool, error)
• func IsWriteable(fileName string) (bool, error)
• func Marshal(encodeType EncodeType, data []byte, obj interface{}) error
• func MarshalToWriter(encodeType EncodeType, r io.Writer, obj interface{}) error
• func ReadFile(filename string) (chan string, error)
• func ReadFileWithBufferSize(filename string, maxCapacity int) (chan string, error)
• func ReadFileWithReader(r io.Reader) (chan string, error)
• func ReadFileWithReaderAndBufferSize(r io.Reader, maxCapacity int) (chan string, error)
• func RemoveAll(paths ...string) (errored map[string]error)
• func Unmarshal(encodeType EncodeType, data []byte, obj interface{}) error
• func UnmarshalFromReader(encodeType EncodeType, r io.Reader, obj interface{}) error
• func UseMusl(path string) (bool, error)
• type EncodeType
• type FileFilters
• type FileType
  • func FileExt(filename string) FileType

Constants

const (
	FILE_TXT = iota
	FILE_JSON
	FILE_CSV
	NOT_FOUND
)

Variables

var ErrInvalidSeparator = errors.New("invalid separator")

var IsNotEmpty = func(data []byte) bool {
	return len(data) > 0
}

IsNotEmpty determines if a data chunk is empty

var SkipEmptyLine = func(line []byte) bool {
	return len(line) > 0
}

Functions

func BufferWriteAppend

func BufferWriteAppend(file *os.File, content string) error

func CombineNewFilename

func CombineNewFilename(srcFile, destFile, delimiter string) string

func CopyFile

func CopyFile(src, dst string) error

CopyFile from source to destination

func CountLines

func CountLines(filename string) (uint, error)

CountLines counts the lines in a file

func CountLinesWithOptions

func CountLinesWithOptions(reader io.Reader, separator []byte, filter func([]byte) bool) (uint, error)

CountLinesWithOptions from a reader and custom filter function

func CountLinesWithSeparator

func CountLinesWithSeparator(separator []byte, filename string) (uint, error)

CountLinesWithSeparator of a file

func CreateFolder

func CreateFolder(path string) error

CreateFolder path

func CreateFolders

func CreateFolders(paths ...string) error

CreateFolders in the list

func DeleteFilesOlderThan

func DeleteFilesOlderThan(folder string, filter FileFilters) error

func DownloadFile

func DownloadFile(filepath string, url string) error

DownloadFile to specified path

func ExecutableName

func ExecutableName() string

func FileExists

func FileExists(filename string) bool

FileExists checks if the file exists in the provided path

func FileOrFolderExists

func FileOrFolderExists(name string) bool

FileOrFolderExists checks if the file/folder exists

func FolderExists

func FolderExists(foldername string) bool

FolderExists checks if the folder exists

func GetFilename

func GetFilename(srcFile string) string

func GetTempFileName

func GetTempFileName() (string, error)

GetTempFileName generate a temporary file name

func HasPermission

func HasPermission(fileName string, permission int) (bool, error)

HasPermission checks if the file has the requested permission

func HasStdin

func HasStdin() bool

HasStdin determines if the user has piped input

func IsReadable

func IsReadable(fileName string) (bool, error)

IsReadable verify file readability

func IsWriteable

func IsWriteable(fileName string) (bool, error)

IsWriteable verify file writeability

func Marshal

func Marshal(encodeType EncodeType, data []byte, obj interface{}) error

func MarshalToWriter

func MarshalToWriter(encodeType EncodeType, r io.Writer, obj interface{}) error

func ReadFile

func ReadFile(filename string) (chan string, error)

ReadFile with filename

func ReadFileWithBufferSize

func ReadFileWithBufferSize(filename string, maxCapacity int) (chan string, error)

ReadFile with filename and specific buffer size

func ReadFileWithReader

func ReadFileWithReader(r io.Reader) (chan string, error)

ReadFileWithReader and stream on a channel

func ReadFileWithReaderAndBufferSize

func ReadFileWithReaderAndBufferSize(r io.Reader, maxCapacity int) (chan string, error)

ReadFileWithReader with specific buffer size and stream on a channel

func RemoveAll

func RemoveAll(paths ...string) (errored map[string]error)

RemoveAll specified paths, returning those that caused error

func Unmarshal

func Unmarshal(encodeType EncodeType, data []byte, obj interface{}) error

func UnmarshalFromReader

func UnmarshalFromReader(encodeType EncodeType, r io.Reader, obj interface{}) error

func UseMusl

func UseMusl(path string) (bool, error)

UseMusl checks if the specified elf file uses musl

Types

type EncodeType

type EncodeType uint8

const (
	YAML EncodeType = iota
	JSON
)

type FileFilters

type FileFilters struct {
	OlderThan    time.Duration
	Prefix       string
	Suffix       string
	RegexPattern string
	CustomCheck  func(filename string) bool
	Callback     func(filename string) error
}

type FileType

type FileType = uint8

func FileExt

func FileExt(filename string) FileType