Go语言监控文件变化小程序.

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package main import (	"log"	"github.com/go-fsnotify/fsnotify" ) func main() {	watcher, err := fsnotify.NewWatcher()	if err != nil {	log.Fatal(err)	}	defer watcher.Close()	done := make(chan bool)	go func() {	for {	select {	case event := <-watcher.Events:	log.Println("event:", event)	if event.Op&fsnotify.Write == fsnotify.Write {	log.Println("modified file:", event.Name)	}	case err := <-watcher.Errors:	log.Println("error:", err)	}	}	}()	err = watcher.Add("slog")	if err != nil {	log.Fatal(err)	}	<-done }

package main import (	"github.com/howeyc/fsnotify"	"log" ) type monitor struct {	watch *fsnotify.Watcher } func main() {	M, err := NewMonitor()	if err != nil {	log.Println(err)	return	}	M.Do()	M.watch.Watch("../")	select {} } func NewMonitor() (monitor, error) {	Mon, err := fsnotify.NewWatcher()	return monitor{Mon}, err } func (self monitor) Do() {	go func() {	for {	select {	case w := <-self.watch.Event:	log.Println(w)	if w.IsModify() {	continue	}	if w.IsDelete() {	log.Println("文件被删除.")	continue	}	if w.IsRename() {	w = <-self.watch.Event	log.Println(w)	self.watch.RemoveWatch(w.Name)	log.Println(w.Name, " 被重命名.")	}	case err := <-self.watch.Error:	log.Fatalln(err)	}	}	}() }

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