func main() {
var watch_dir = flag.String("watch-dir", ".", "Path to watch")
var scripts_dir = flag.String("scripts-dir", "./scripts", "Path for supporting shell scripts")
flag.Parse()
watcher, err := fsnotify.NewWatcher()
if err != nil {
log.Fatal(err)
}
done := make(chan bool)
// Process events
go func() {
for {
select {
case ev := <-watcher.Event:
log.Println("got event", ev)
if !ev.IsCreate() {
continue
}
err := runEvent(ev.Name, *watch_dir, *scripts_dir)
if err != nil {
log.Println("error handling event:", err)
}
case err := <-watcher.Error:
log.Println("error:", err)
done <- true
}
}
}()
for k, _ := range fileHandlers {
full_path := filepath.Join(*watch_dir, k)
dir_path := filepath.Dir(full_path)
err = watcher.Watch(dir_path)
if err != nil {
log.Println("warn: error setting up watcher (dir doesn't exist?):", err)
}
err = runEvent(full_path, *watch_dir, *scripts_dir)
if err != nil {
log.Println("warn: initalizing event failed:", err)
}
}
<-done
watcher.Close()
}
func ExampleNewWatcher() {
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)
}
}