diff --git a/lldb/source/Commands/CommandObjectSource.cpp b/lldb/source/Commands/CommandObjectSource.cpp
new file mode 100644
index 0000000..e2c3a0a
--- /dev/null
+++ b/lldb/source/Commands/CommandObjectSource.cpp
@@ -0,0 +1,127 @@
+//===-- CommandObjectSource.cpp ---------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CommandObjectSource.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "lldb/Core/Args.h"
+#include "lldb/Interpreter/CommandContext.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
+#include "lldb/Interpreter/CommandReturnObject.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/TargetList.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+const char *k_space_characters = "\t\n\v\f\r ";
+
+//-------------------------------------------------------------------------
+// CommandObjectSource
+//-------------------------------------------------------------------------
+
+CommandObjectSource::CommandObjectSource() :
+    CommandObject ("source",
+                   "Reads in debugger commands from the file <filename> and executes them.",
+                   "source <filename>")
+{
+}
+
+CommandObjectSource::~CommandObjectSource ()
+{
+}
+
+bool
+CommandObjectSource::Execute
+(
+    Args& args,
+    CommandContext *context,
+    CommandInterpreter *interpreter,
+    CommandReturnObject &result
+)
+{
+    const int argc = args.GetArgumentCount();
+    if (argc == 1)
+    {
+        const char *filename = args.GetArgumentAtIndex(0);
+        bool success = true;
+
+        result.AppendMessageWithFormat ("Executing commands in '%s'.\n", filename);
+
+        FileSpec cmd_file (filename);
+        if (cmd_file.Exists())
+        {
+            STLStringArray commands;
+            success = cmd_file.ReadFileLines (commands);
+
+            STLStringArray::iterator pos = commands.begin();
+
+            // Trim out any empty lines or lines that start with the comment
+            // char '#'
+            while (pos != commands.end())
+            {
+                bool remove_string = false;
+                size_t non_space = pos->find_first_not_of (k_space_characters);
+                if (non_space == std::string::npos)
+                    remove_string = true; // Empty line
+                else if ((*pos)[non_space] == '#')
+                    remove_string = true; // Comment line that starts with '#'
+
+                if (remove_string)
+                    pos = commands.erase(pos);
+                else
+                    ++pos;
+            }
+
+            if (commands.size() > 0)
+            {
+                const size_t num_commands = commands.size();
+                size_t i;
+                for (i = 0; i<num_commands; ++i)
+                {
+                    result.GetOutputStream().Printf("%s %s\n", interpreter->GetPrompt(), commands[i].c_str());
+                    if (!interpreter->HandleCommand(commands[i].c_str(), false, result))
+                        break;
+                }
+
+                if (i < num_commands)
+                {
+                    result.AppendErrorWithFormat("Aborting source of '%s' after command '%s' failed.\n", filename, commands[i].c_str());
+                    result.SetStatus (eReturnStatusSuccessFinishResult);
+                }
+                else
+                {
+                    success = true;
+                    result.SetStatus (eReturnStatusFailed);
+                }
+            }
+        }
+        else
+        {
+            result.AppendErrorWithFormat ("File '%s' does not exist.\n", filename);
+            result.SetStatus (eReturnStatusFailed);
+            success = false;
+        }
+
+        if (success)
+        {
+            result.SetStatus (eReturnStatusSuccessFinishNoResult);
+        }
+    }
+    else
+    {
+        result.AppendErrorWithFormat("'%s' takes exactly one executable filename argument.\n", GetCommandName());
+        result.SetStatus (eReturnStatusFailed);
+    }
+    return result.Succeeded();
+
+}