diff --git a/lldb/examples/scripting/tree_utils.py b/lldb/examples/scripting/tree_utils.py
new file mode 100755
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--- /dev/null
+++ b/lldb/examples/scripting/tree_utils.py
@@ -0,0 +1,118 @@
+""" 
+# ===-- tree_utils.py ---------------------------------------*- Python -*-===//
+#
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+#
+# ===---------------------------------------------------------------------===//
+
+tree_utils.py  - A set of functions for examining binary
+search trees, based on the example search tree defined in 
+dictionary.c.  These functions contain calls to LLDB API
+functions, and assume that the LLDB Python module has been
+imported.
+
+For a thorough explanation of how the DFS function works, and
+for more information about dictionary.c go to
+http://lldb.llvm.org/scripting.html
+"""
+
+
+def DFS (root, word, cur_path):
+    """
+    Recursively traverse a binary search tree containing
+    words sorted alphabetically, searching for a particular
+    word in the tree.  Also maintains a string representing
+    the path from the root of the tree to the current node.
+    If the word is found in the tree, return the path string.
+    Otherwise return an empty string.
+
+    This function assumes the binary search tree is
+    the one defined in dictionary.c  It uses LLDB API
+    functions to examine and traverse the tree nodes.
+    """
+    
+    # Get pointer field values out of node 'root'
+
+    root_word_ptr = root.GetChildMemberWithName ("word")
+    left_child_ptr = root.GetChildMemberWithName ("left")
+    right_child_ptr = root.GetChildMemberWithName ("right")
+
+    # Get the word out of the word pointer and strip off 
+    # surrounding quotes (added by call to GetSummary).
+
+    root_word = root_word_ptr.GetSummary()
+    end = len (root_word) - 1
+    if root_word[0] == '"' and root_word[end] == '"':
+        root_word = root_word[1:end]
+    end = len (root_word) - 1
+    if root_word[0] == '\'' and root_word[end] == '\'':
+        root_word = root_word[1:end]
+
+    # Main depth first search
+
+    if root_word == word:
+        return cur_path
+    elif word < root_word:
+
+        # Check to see if left child is NULL
+
+        if left_child_ptr.GetValue() == None:
+            return ""
+        else:
+            cur_path = cur_path + "L"
+            return DFS (left_child_ptr, word, cur_path)
+    else:
+
+        # Check to see if right child is NULL
+
+        if right_child_ptr.GetValue() == None:
+            return ""
+        else:
+            cur_path = cur_path + "R"
+            return DFS (right_child_ptr, word, cur_path)
+    
+
+def tree_size (root):
+    """
+    Recursively traverse a binary search tree, counting
+    the nodes in the tree.  Returns the final count.
+
+    This function assumes the binary search tree is
+    the one defined in dictionary.c  It uses LLDB API
+    functions to examine and traverse the tree nodes.
+    """
+    if (root.GetValue == None):
+        return 0
+
+    if (int (root.GetValue(), 16) == 0):
+        return 0
+
+    left_size = tree_size (root.GetChildAtIndex(1));
+    right_size = tree_size (root.GetChildAtIndex(2));
+
+    total_size = left_size + right_size + 1
+    return total_size
+    
+
+def print_tree (root):
+    """
+    Recursively traverse a binary search tree, printing out
+    the words at the nodes in alphabetical order (the
+    search order for the binary tree).
+
+    This function assumes the binary search tree is
+    the one defined in dictionary.c  It uses LLDB API
+    functions to examine and traverse the tree nodes.
+    """
+    if (root.GetChildAtIndex(1).GetValue() != None) and (int (root.GetChildAtIndex(1).GetValue(), 16) != 0):
+        print_tree (root.GetChildAtIndex(1))
+
+    print root.GetChildAtIndex(0).GetSummary()
+
+    if (root.GetChildAtIndex(2).GetValue() != None) and (int (root.GetChildAtIndex(2).GetValue(), 16) != 0):
+        print_tree (root.GetChildAtIndex(2))
+
+