watcher

Simple file or directory watcher

implementation

go get github.com/jrkt/watcher

usage

package main

import (
	"log"
	"github.com/jrkt/watcher"
)

func main() {
	w := watcher.New()
	defer w.Close()

	done := make(chan bool)
	go func() {
		for {
			select {
                case event := <-w.Events:
                    log.Println("File changed", event)
                case err := <-w.Errors:
                    log.Println("Error Path", err.Path, err.Error())
                }
		}
	}()

	err := w.Add("/path/file1.txt")
	if err != nil {
		log.Fatalln(err)
	}
	err = w.Add("/path/file2.txt")
	if err != nil {
		log.Fatalln(err)
	}
	<-done
}

You can also add a directory to the watch list:

err := w.Add("/etc/conf/")
if err != nil {
    log.Fatalln(err)
}

output

2016/11/16 21:00:08 File changed {/path/file1.txt MODIFIED}
2016/11/16 21:00:12 File changed {/path/file2.txt MODIFIED}