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Diffstat (limited to 'golang/recursiveWatcher/recursiveWatcher.go')
-rw-r--r-- | golang/recursiveWatcher/recursiveWatcher.go | 59 |
1 files changed, 59 insertions, 0 deletions
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 +} |