fsnotify

package
v6.0.1+incompatible Latest Latest
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Published: Nov 13, 2019 License: Apache-2.0 Imports: 7 Imported by: 0

Documentation

Overview

Package fsnotify implements file system notification.

Index

Examples

Constants

View Source
const (
	FSN_CREATE = 1
	FSN_MODIFY = 2
	FSN_DELETE = 4
	FSN_RENAME = 8

	FSN_ALL = FSN_MODIFY | FSN_DELETE | FSN_RENAME | FSN_CREATE
)

Variables

This section is empty.

Functions

This section is empty.

Types

type FileEvent

type FileEvent struct {
	Name string // File name (optional)
	// contains filtered or unexported fields
}

func (*FileEvent) IsAttrib

func (e *FileEvent) IsAttrib() bool

IsAttrib reports whether the FileEvent was triggered by a change in the file metadata.

func (*FileEvent) IsCreate

func (e *FileEvent) IsCreate() bool

IsCreate reports whether the FileEvent was triggered by a creation

func (*FileEvent) IsDelete

func (e *FileEvent) IsDelete() bool

IsDelete reports whether the FileEvent was triggered by a delete

func (*FileEvent) IsModify

func (e *FileEvent) IsModify() bool

IsModify reports whether the FileEvent was triggered by a file modification or attribute change

func (*FileEvent) IsRename

func (e *FileEvent) IsRename() bool

IsRename reports whether the FileEvent was triggered by a change name

func (*FileEvent) String

func (e *FileEvent) String() string

String formats the event e in the form "filename: DELETE|MODIFY|..."

type Watcher

type Watcher struct {
	Error chan error // Errors are sent on this channel

	Event chan *FileEvent // Events are returned on this channel
	// contains filtered or unexported fields
}

func NewWatcher

func NewWatcher() (*Watcher, error)

NewWatcher creates and returns a new inotify instance using inotify_init(2)

Example
package main

import (
	"log"

	"github.com/howeyc/fsnotify"
)

func main() {
	watcher, err := fsnotify.NewWatcher()
	if err != nil {
		log.Fatal(err)
	}

	go func() {
		for {
			select {
			case ev := <-watcher.Event:
				log.Println("event:", ev)
			case err := <-watcher.Error:
				log.Println("error:", err)
			}
		}
	}()

	err = watcher.Watch("/tmp/foo")
	if err != nil {
		log.Fatal(err)
	}
}
Output:

func (*Watcher) Close

func (w *Watcher) Close() error

Close closes an inotify watcher instance It sends a message to the reader goroutine to quit and removes all watches associated with the inotify instance

func (*Watcher) RemoveWatch

func (w *Watcher) RemoveWatch(path string) error

Remove a watch on a file

func (*Watcher) Watch

func (w *Watcher) Watch(path string) error

Watch a given file path

func (*Watcher) WatchFlags

func (w *Watcher) WatchFlags(path string, flags uint32) error

Watch a given file path for a particular set of notifications (FSN_MODIFY etc.)

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