add recursive watcher test

2 files changed, 59 insertions, 0 deletions

diff --git a/golang/recursiveWatcher/recursiveWatcher b/golang/recursiveWatcher/recursiveWatcher
new file mode 100755
index 0000000..bcd539b
--- /dev/null
+++ b/golang/recursiveWatcher/recursiveWatcher
diff --git a/golang/recursiveWatcher/recursiveWatcher.go b/golang/recursiveWatcher/recursiveWatcher.go
new file mode 100644
index 0000000..3d26292
--- /dev/null
+++ b/golang/recursiveWatcher/recursiveWatcher.go
@@ -0,0 +1,59 @@
+package main
+
+import (
+	"github.com/fsnotify/fsnotify"
+	"log"
+	"os"
+	"time"
+)
+
+// IsDirectory - Returns a true/false if file is a directory
+func IsDirectory(path string) bool {
+	fileInfo, err := os.Stat(path)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return fileInfo.IsDir()
+}
+
+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, ok := <-watcher.Events:
+				if !ok {
+					return
+				}
+				log.Println("event:", event)
+				if IsDirectory(event.Name) == true {
+					log.Println("Adding new directory to watch: ", event.Name)
+					watcher.Add(event.Name)
+				}
+				if event.Op&fsnotify.Write == fsnotify.Write {
+					log.Println("modified file:", event.Name)
+				}
+			case err, ok := <-watcher.Errors:
+				if !ok {
+					return
+				}
+				log.Println("error:", err)
+			case <-time.After(10 * time.Second):
+				log.Println("TIMEOUT!")
+				close(done)
+			}
+		}
+	}()
+
+	err = watcher.Add(os.Args[1])
+	if err != nil {
+		log.Fatal(err)
+	}
+	<-done
+}