diff --git a/file_reader.cc b/file_reader.cc
new file mode 100644
index 0000000..81e52a4
--- /dev/null
+++ b/file_reader.cc
@@ -0,0 +1,45 @@
+// Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "shill/file_reader.h"
+
+using std::string;
+
+namespace shill {
+
+FileReader::FileReader() {
+}
+
+FileReader::~FileReader() {
+}
+
+void FileReader::Close() {
+  file_.reset();
+}
+
+bool FileReader::Open(const FilePath &file_path) {
+  file_.reset(file_util::OpenFile(file_path, "rb"));
+  return file_.get() != NULL;
+}
+
+bool FileReader::ReadLine(string *line) {
+  CHECK(line) << "Invalid argument";
+
+  FILE* fp = file_.get();
+  if (fp == NULL)
+    return false;
+
+  line->clear();
+  bool line_valid = false;
+  int ch;
+  while ((ch = fgetc(fp)) != EOF) {
+    if (ch == '\n')
+      return true;
+    line->push_back(static_cast<char>(ch));
+    line_valid = true;
+  }
+  return line_valid;
+}
+
+}  // namespace shill