diff --git a/include/ndnboost/filesystem/convenience.hpp b/include/ndnboost/filesystem/convenience.hpp
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+++ b/include/ndnboost/filesystem/convenience.hpp
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+//  ndnboost/filesystem/convenience.hpp  ----------------------------------------//
+
+//  Copyright Beman Dawes, 2002-2005
+//  Copyright Vladimir Prus, 2002
+//  Use, modification, and distribution is subject to the Boost Software
+//  License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  See library home page at http://www.boost.org/libs/filesystem
+
+//----------------------------------------------------------------------------// 
+
+#ifndef NDNBOOST_FILESYSTEM3_CONVENIENCE_HPP
+#define NDNBOOST_FILESYSTEM3_CONVENIENCE_HPP
+
+#include <ndnboost/config.hpp>
+
+# if defined( NDNBOOST_NO_STD_WSTRING )
+#   error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
+# endif
+
+#include <ndnboost/filesystem/operations.hpp>
+#include <ndnboost/system/error_code.hpp>
+
+#include <ndnboost/config/abi_prefix.hpp> // must be the last #include
+
+namespace ndnboost
+{
+  namespace filesystem
+  {
+
+# ifndef NDNBOOST_FILESYSTEM_NO_DEPRECATED
+
+    inline std::string extension(const path & p)
+    {
+      return p.extension().string();
+    }
+
+    inline std::string basename(const path & p)
+    {
+      return p.stem().string();
+    }
+
+    inline path change_extension( const path & p, const path & new_extension )
+    { 
+      path new_p( p );
+      new_p.replace_extension( new_extension );
+      return new_p;
+    }
+
+# endif
+
+
+  } // namespace filesystem
+} // namespace ndnboost
+
+#include <ndnboost/config/abi_suffix.hpp> // pops abi_prefix.hpp pragmas
+#endif // NDNBOOST_FILESYSTEM3_CONVENIENCE_HPP