Help us shape the future of Go! Take the 2026 Go Developer Survey

Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
- API
  
  Reference documentation for the pkg.go.dev API
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

filesystem

package

Go to main page

Versions in this module

v1

v1.1.0

Jan 22, 2020

v1.0.3

Jan 10, 2020

Changes in this version

type DefaultFs

+ func (DefaultFs) OpenFile(name string, flag int, perm os.FileMode) (File, error)

type File

+ WriteString func(s string) (n int, err error)

type Filesystem

+ OpenFile func(name string, flag int, perm os.FileMode) (File, error)

v1.0.2

Dec 4, 2019

Changes in this version

+ type DefaultFs struct

+ func (DefaultFs) Chtimes(name string, atime time.Time, mtime time.Time) error

+ func (DefaultFs) Create(name string) (File, error)

+ func (DefaultFs) MkdirAll(path string, perm os.FileMode) error

+ func (DefaultFs) Open(name string) (File, error)

+ func (DefaultFs) ReadDir(dirname string) ([]os.FileInfo, error)

+ func (DefaultFs) ReadFile(filename string) ([]byte, error)

+ func (DefaultFs) Remove(name string) error

+ func (DefaultFs) RemoveAll(path string) error

+ func (DefaultFs) Rename(oldpath, newpath string) error

+ func (DefaultFs) Stat(name string) (os.FileInfo, error)

+ func (DefaultFs) TempDir(dir, prefix string) (string, error)

+ func (DefaultFs) TempFile(dir, prefix string) (File, error)

+ func (DefaultFs) Walk(root string, walkFn filepath.WalkFunc) error

+ type FSErrorHandler func(err error)

+ type FSEventHandler func(event fsnotify.Event)

+ type FSWatcher interface

+ AddWatch func(path string) error

+ Init func(FSEventHandler, FSErrorHandler) error

+ Run func()

+ func NewFsnotifyWatcher() FSWatcher

+ type File interface

+ Close func() error

+ Name func() string

+ Readdir func(n int) ([]os.FileInfo, error)

+ Sync func() error

+ Write func(b []byte) (n int, err error)

+ type Filesystem interface

+ Chtimes func(name string, atime time.Time, mtime time.Time) error

+ Create func(name string) (File, error)

+ MkdirAll func(path string, perm os.FileMode) error

+ Open func(name string) (File, error)

+ ReadDir func(dirname string) ([]os.FileInfo, error)

+ ReadFile func(filename string) ([]byte, error)

+ Remove func(name string) error

+ RemoveAll func(path string) error

+ Rename func(oldpath, newpath string) error

+ Stat func(name string) (os.FileInfo, error)

+ TempDir func(dir, prefix string) (string, error)

+ TempFile func(dir, prefix string) (File, error)

+ Walk func(root string, walkFn filepath.WalkFunc) error

+ func NewFakeFs() Filesystem