Added directory/file exists

src/ops/index.js

@@ -312,6 +312,37 @@ export const get_file_attributes = async (
   }
 };
 
+export const get_file_attributes2 = async (
+  conn,
+  remote_path,
+  optional_thread_id
+) => {
+  try {
+    const request = new packet();
+    request.encode_utf8(remote_path);
+    request.encode_ui32(0);
+    request.encode_ui32(0);
+
+    const response = await conn.send(
+      '::RemoteFUSEGetattr',
+      request,
+      optional_thread_id
+    );
+    response.decode_ui32(); // Service flags
+
+    const result = response.decode_i32();
+    if (result === 0) {
+      return response.decode_stat();
+    }
+
+    return Promise.reject(
+      new Error(`'get_file_attributes2' failed: ${result}`)
+    );
+  } catch (err) {
+    return Promise.reject(new Error(`'get_file_attributes2' failed: ${err}`));
+  }
+};
+
 export const list_directory = async (conn, remote_path, page_reader_cb) => {
   const dir_snapshot = await _snapshot_directory(conn, remote_path);
   try {