fs

Documentation

Overview

Package fs contains helper functions for file system access and enumeration.

Index

• func Chdir(path string, cb func() error) error
• func Exists(path string) bool
• func Expand(path string) (string, error)
• func Glob(path string, expr string, cb func(fileName string) error) (err error)
• func LineReader(filename string) (chan string, error)

Functions

func Chdir

func Chdir(path string, cb func() error) error

Chdir changes the process current working directory to the specified one, executes the callback and then restores the original working directory.

func Exists

func Exists(path string) bool

Exists returns true if the path exists.

func Expand

func Expand(path string) (string, error)

Expand will expand a path with ~ to the $HOME of the current user.

func Glob

func Glob(path string, expr string, cb func(fileName string) error) (err error)

Glob enumerates files on a given path using a globbing expression and execute a callback for each of the files. The callback can interrupt the loop by returning an error other than nil.

func LineReader

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

LineReader accepts the name of a file and offset as argument and will return a channel from which lines can be read one at a time.