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diff --git a/src/boost/libs/flyweight/example/serialization.cpp b/src/boost/libs/flyweight/example/serialization.cpp
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+++ b/src/boost/libs/flyweight/example/serialization.cpp
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+/* Boost.Flyweight example of serialization.
+ *
+ * Copyright 2006-2014 Joaquin M Lopez Munoz.
+ * Distributed under 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 http://www.boost.org/libs/flyweight for library home page.
+ */
+
+#include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
+#include <algorithm>
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/flyweight.hpp>
+#include <boost/flyweight/serialize.hpp>
+#include <boost/serialization/vector.hpp>
+#include <boost/tokenizer.hpp>
+#include <cstdio>
+#include <cstdlib>
+#include <fstream>
+#include <iostream>
+#include <iterator>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+using namespace boost::flyweights;
+
+typedef flyweight<std::string> fw_string;
+typedef std::vector<fw_string> text_container;
+
+/* Read a text file into a text_container and serialize to an archive. */
+
+void save_serialization_file()
+{
+  /* Define a tokenizer on std::istreambuf. */
+  
+  typedef std::istreambuf_iterator<char> char_iterator;
+  typedef boost::tokenizer<
+    boost::char_separator<char>,
+    char_iterator
+  >                                      tokenizer;
+
+  std::cout<<"enter input text file name: ";
+  std::string in;
+  std::getline(std::cin,in);
+  std::ifstream ifs(in.c_str());
+  if(!ifs){
+    std::cout<<"can't open "<<in<<std::endl;
+    std::exit(EXIT_FAILURE);
+  }
+  
+  /* Tokenize using space and common punctuaction as separators, and
+   * keeping the separators.
+   */
+   
+  tokenizer tok=tokenizer(
+    char_iterator(ifs),char_iterator(),
+    boost::char_separator<char>(
+      "",
+      "\t\n\r !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"));
+  text_container txt;
+  for(tokenizer::iterator it=tok.begin();it!=tok.end();++it){
+    txt.push_back(fw_string(*it));
+  }
+
+  std::cout<<"enter output serialization file name: ";
+  std::string out;
+  std::getline(std::cin,out);
+  std::ofstream ofs(out.c_str());
+  if(!ofs){
+    std::cout<<"can't open "<<out<<std::endl;
+    std::exit(EXIT_FAILURE);
+  }
+  boost::archive::text_oarchive oa(ofs);
+  oa<<const_cast<const text_container&>(txt);
+}
+
+/* Read a serialization archive and save the result to a text file. */
+
+void load_serialization_file()
+{
+  std::cout<<"enter input serialization file name: ";
+  std::string in;
+  std::getline(std::cin,in);
+  std::ifstream ifs(in.c_str());
+  if(!ifs){
+    std::cout<<"can't open "<<in<<std::endl;
+    std::exit(EXIT_FAILURE);
+  }
+  boost::archive::text_iarchive ia(ifs);
+  text_container txt;
+  ia>>txt;
+  
+  std::cout<<"enter output text file name: ";
+  std::string out;
+  std::getline(std::cin,out);
+  std::ofstream ofs(out.c_str());
+  if(!ofs){
+    std::cout<<"can't open "<<out<<std::endl;
+    std::exit(EXIT_FAILURE);
+  }
+  std::copy(
+    txt.begin(),txt.end(),
+    std::ostream_iterator<std::string>(ofs));
+}
+
+int main()
+{
+  try{
+    std::cout<<"1 load a text file and save it as a serialization file\n"
+               "2 load a serialization file and save it as a text file\n";
+    for(;;){
+      std::cout<<"select option, enter to exit: ";
+      std::string str;
+      std::getline(std::cin,str);
+      if(str.empty())break;
+      std::istringstream istr(str);
+      int option=-1;
+      istr>>option;
+           if(option==1)save_serialization_file();
+      else if(option==2)load_serialization_file();
+    }
+  }
+  catch(const std::exception& e){
+    std::cout<<"error: "<<e.what()<<std::endl;
+    std::exit(EXIT_FAILURE);
+  }
+  
+  return 0;
+}