diff --git a/tests/utils_tests.cpp b/tests/utils_tests.cpp
index aa04fec7..7d781533 100644
--- a/tests/utils_tests.cpp
+++ b/tests/utils_tests.cpp
@@ -76,15 +76,47 @@ BOOST_AUTO_TEST_CASE(RemoveFileTest)
 
 BOOST_AUTO_TEST_CASE(ExtractFilesTest)
 {
+  std::vector<boost::filesystem::path> vec;
+  Utils::ListDir("./../", vec);
+  for(auto i : vec)
+  {
+    mlpack::Log::Warn << i << std::endl;
+  }
   Utils::DownloadFile("/datasets/mnist.tar.gz", "./../data/mnist.tar.gz", "",
       false, true, "www.mlpack.org", true, "./../data/");
 
+  vec.clear();
+  Utils::ListDir("./../data/", vec);
+  for(auto i : vec)
+  {
+    mlpack::Log::Warn << i << std::endl;
+  }
+  vec.clear();
+  Utils::ListDir("./../", vec);
+  for(auto i : vec)
+  {
+    mlpack::Log::Warn << i << std::endl;
+  }
+  vec.clear();
+  Utils::ListDir("./../build/", vec);
+  for (auto i : vec)
+  {
+    mlpack::Log::Warn << i << std::endl;
+  }
+  vec.clear();
+  Utils::ListDir("./../../", vec);
+  for (auto i : vec)
+  {
+    mlpack::Log::Warn << i << std::endl;
+  }
+  BOOST_REQUIRE(Utils::PathExists("./../data/mnist.tar.gz"));
   BOOST_REQUIRE(Utils::PathExists("./../data/mnist_all.csv"));
   BOOST_REQUIRE(Utils::PathExists("./../data/mnist.tar.gz"));
 
   // Clean up.
   Utils::RemoveFile("./../data/mnist_all.csv");
   Utils::RemoveFile("./../data/mnist_all_centroids.csv");
+  Utils::RemoveFile("./../data/mnist.tar.gz");
 }
 
 BOOST_AUTO_TEST_SUITE_END();
diff --git a/utils/utils.hpp b/utils/utils.hpp
index 981f2f0c..1add62f3 100644
--- a/utils/utils.hpp
+++ b/utils/utils.hpp
@@ -65,9 +65,8 @@ class Utils
         std::replace(pathForExtractionTemp.begin(), pathForExtractionTemp.end(),
             '/', '\\');
 
-        command = "tar --force-local -xvzf " +
-            boost::filesystem::current_path().string() + "\\" +
-            pathToArchiveTemp + "-C " + pathForExtractionTemp + " --strip-components=1";
+        command = "tar --force-local -xvzf " + pathToArchiveTemp +
+            " --strip-components=1";
         std::cout << command << " \n " << boost::filesystem::current_path().string();
       #else
         command = command + boost::filesystem::current_path().string() + "/" +
@@ -266,5 +265,35 @@ class Utils
 
     return 0;
   }
+
+  /**
+   * Fills a vector with paths to all files in directory.
+   *
+   * @param path Path to Directory.
+   * @param pathVector A vector of type filesystem::path, which will be filled
+   *                   paths for all files / folders in given directory path.
+   * @param absolutePath Boolean to determine if path is absolute or relative.
+   */
+  static void ListDir(const std::string& path,
+                      std::vector<boost::filesystem::path>& pathVector,
+                      const bool absolutePath = false)
+  {
+    if (Utils::PathExists(path, absolutePath))
+    {
+      boost::filesystem::path directoryPath(path);
+
+      // Fill the path vector with respective paths.
+      std::copy(boost::filesystem::directory_iterator(directoryPath),
+          boost::filesystem::directory_iterator(),
+          std::back_inserter(pathVector));
+
+      // Sort the path vector.
+      std::sort(pathVector.begin(), pathVector.end());
+    }
+    else
+    {
+      mlpack::Log::Warn << "The " << path << "Doesn't exist." << std::endl;
+    }
+  }
 };
 #endif