Add missing files

[SVN r77558]

example/tut6a.cpp

@@ -0,0 +1,48 @@
+//  filesystem tut6a.cpp  --------------------------------------------------------------//
+
+//  Copyright Beman Dawes 2010
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+//  Library home page: http://www.boost.org/libs/filesystem
+
+#include <iostream>
+#include <exception>
+#include <boost/filesystem.hpp>
+using namespace boost::filesystem;
+
+int main(int argc, char* argv[])
+{
+  if (argc < 2)
+  {
+    std::cout << "Usage: tut6a path\n";
+    return 1;
+  }
+
+  try
+  {
+    for (recursive_directory_iterator it (argv[1]);
+         it != recursive_directory_iterator();
+         ++it)
+    {
+      if (it.level() > 1)
+        it.pop();
+      else
+      {
+        for (int i = 0; i <= it.level(); ++i)
+          std::cout << "  ";
+
+        std::cout << it->path() << '\n';
+      }
+    }
+  }
+
+  catch (const std::exception& ex)
+  {
+    std::cout << "************* exception *****************\n";
+    std::cout << ex.what() << '\n';
+  }
+
+  return 0;
+}  

example/tut6b.cpp

@@ -0,0 +1,50 @@
+//  filesystem tut6b.cpp  --------------------------------------------------------------//
+
+//  Copyright Beman Dawes 2010
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+//  Library home page: http://www.boost.org/libs/filesystem
+
+#include <iostream>
+#include <exception>
+#include <boost/filesystem.hpp>
+using namespace boost::filesystem;
+
+int main(int argc, char* argv[])
+{
+  if (argc < 2)
+  {
+    std::cout << "Usage: tut6b path\n";
+    return 1;
+  }
+
+  try
+  {
+    for (recursive_directory_iterator it (argv[1]);
+         it != recursive_directory_iterator();
+        )
+    {
+      for (int i = 0; i <= it.level(); ++i)
+        std::cout << "  ";
+
+      std::cout << it->path() << '\n';
+
+      try { ++it; }
+      catch (const filesystem_error& ex)
+      {
+        std::cout << "************* filesystem_error *****************\n";
+        std::cout << ex.what() << '\n';
+      }
+    }
+  }
+
+  catch (const std::exception& ex)
+  {
+    std::cout << "************* exception *****************\n";
+    std::cout << ex.what() << '\n';
+  }
+
+  return 0;
+}  

example/tut6c.cpp

@@ -0,0 +1,40 @@
+//  filesystem tut6c.cpp  --------------------------------------------------------------//
+
+//  Copyright Beman Dawes 2010
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+//  Library home page: http://www.boost.org/libs/filesystem
+
+#include <iostream>
+#include <exception>
+#include <boost/filesystem.hpp>
+#include <boost/system/error_code.hpp>
+
+using namespace boost::filesystem;
+using namespace boost::system;
+
+int main(int argc, char* argv[])
+{
+  if (argc < 2)
+  {
+    std::cout << "Usage: tut6c path\n";
+    return 1;
+  }
+
+  error_code ec;
+  for (recursive_directory_iterator it (argv[1], ec);
+        it != recursive_directory_iterator();
+      )
+  {
+    for (int i = 0; i <= it.level(); ++i)
+      std::cout << "  ";
+
+    std::cout << it->path() << '\n';
+
+    it.increment(ec);
+  }
+
+  return 0;
+}