go语言之监控文件夹

//在执行文件中 // conf // |--app.conf // monitor.exe // app.conf中的内容 // command="ls -l" // monitordir ="c:\\test" // 在windows下会执行两次 // https://github.com/howeyc/fsnotify/issues/106 package main import ( "fmt" "github.com/astaxie/beego" "gopkg.in/fsnotify.v1" "os/exec" "strings" ) func mkcmd(command string) error { argArray := strings.Split(command, " ") cmd := exec.Command(argArray[0], argArray[1:]...) buff, err := cmd.Output() fmt.Println(string(buff)) if err != nil { return err } return nil } func main() { command := beego.AppConfig.String("command") monitordir := beego.AppConfig.String("monitordir") fmt.Printf("command=%s, monitordir=%s\n", command, monitordir) watcher, err := fsnotify.NewWatcher() if err != nil { fmt.Println(err) } defer watcher.Close() done := make(chan bool) // Process events go func() { for { select { case ev := <-watcher.Events: //do something if ev.Op&fsnotify.Write == fsnotify.Write { err := mkcmd(command) if err != nil { fmt.Println(err) } } case err := <-watcher.Errors: fmt.Println(err) } } }() err = watcher.Add(monitordir) if err != nil { fmt.Println(err) } <-done watcher.Close() }