walk: typo

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

app.go

@@ -12,6 +12,6 @@ func main() {
 	flag.Parse()
 
 	for _, arg := range flag.Args() {
-		WathPath(arg)
+		WatchPath(arg)
 	}
 }

walk.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"log"
+
+	"github.com/fsnotify/fsnotify"
+)
+
+// WatchPath establishes a watch on the provided path
+func WatchPath(path string) {
+	/*
+	   29044  2016-09-21 12:40:21 cd x
+	   29045  2016-09-21 12:40:25 touch file
+	   29046  2016-09-21 12:40:39 rm file
+	   29047  2016-09-21 12:40:42 touch file
+	   29048  2016-09-21 12:40:50 echo farts > file
+	   29049  2016-09-21 12:40:57 rm file
+
+	   produces:
+	   $ ./sync_pass x
+	   2016/09/21 12:40:25 event: "x/file": CREATE
+	   2016/09/21 12:40:25 event: "x/file": CHMOD
+	   2016/09/21 12:40:39 event: "x/file": REMOVE
+	   2016/09/21 12:40:42 event: "x/file": CREATE
+	   2016/09/21 12:40:42 event: "x/file": CHMOD
+	   2016/09/21 12:40:50 event: "x/file": WRITE
+	   2016/09/21 12:40:50 modified file: x/file
+	   2016/09/21 12:40:50 event: "x/file": WRITE
+	   2016/09/21 12:40:50 modified file: x/file
+	   2016/09/21 12:40:57 event: "x/file": REMOVE
+	*/
+	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(path)
+	if err != nil {
+		log.Fatal(err)
+	}
+	<-done
+}