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diff --git a/gnuradio-core/src/lib/general/gr_prefs.h b/gnuradio-core/src/lib/general/gr_prefs.h
new file mode 100644
index 000000000..dc2745d16
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+++ b/gnuradio-core/src/lib/general/gr_prefs.h
@@ -0,0 +1,94 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU Radio; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef INCLUDED_GR_PREFS_H
+#define INCLUDED_GR_PREFS_H
+
+#include <gr_core_api.h>
+#include <string>
+#include <gruel/thread.h>
+
+/*!
+ * \brief Base class for representing user preferences a la windows INI files.
+ * \ingroup misc
+ *
+ * The real implementation is in Python, and is accessable from C++
+ * via the magic of SWIG directors.
+ */
+
+class GR_CORE_API gr_prefs
+{
+public:
+  static gr_prefs *singleton();
+  static void set_singleton(gr_prefs *p);
+
+  gr_prefs();
+  virtual ~gr_prefs();
+
+  /*!
+   * \brief Does \p section exist?
+   */
+  virtual bool has_section(const std::string &section);
+
+  /*!
+   * \brief Does \p option exist?
+   */
+  virtual bool has_option(const std::string &section, const std::string &option);
+
+  /*!
+   * \brief If option exists return associated value; else default_val.
+   */
+  virtual const std::string get_string(const std::string &section,
+				       const std::string &option,
+				       const std::string &default_val);
+
+  /*!
+   * \brief If option exists and value can be converted to bool, return it; else default_val.
+   */
+  virtual bool get_bool(const std::string &section,
+			const std::string &option,
+			bool default_val);
+
+  /*!
+   * \brief If option exists and value can be converted to long, return it; else default_val.
+   */
+  virtual long get_long(const std::string &section,
+			const std::string &option,
+			long default_val);
+
+  /*!
+   * \brief If option exists and value can be converted to double, return it; else default_val.
+   */
+  virtual double get_double(const std::string &section,
+			    const std::string &option,
+			    double default_val);
+
+ protected:
+  virtual std::vector<std::string> _sys_prefs_filenames();
+  virtual void _read_files();
+
+ private:
+  gruel::mutex d_mutex;
+  std::string d_configs;
+};
+
+
+#endif /* INCLUDED_GR_PREFS_H */