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diff --git a/Source/cmWriteFileCommand.h b/Source/cmWriteFileCommand.h
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+++ b/Source/cmWriteFileCommand.h
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+/*============================================================================
+  CMake - Cross Platform Makefile Generator
+  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+  Distributed under the OSI-approved BSD License (the "License");
+  see accompanying file Copyright.txt for details.
+
+  This software is distributed WITHOUT ANY WARRANTY; without even the
+  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+  See the License for more information.
+============================================================================*/
+#ifndef cmWriteFileCommand_h
+#define cmWriteFileCommand_h
+
+#include "cmCommand.h"
+
+/** \class cmWriteFileCommand
+ * \brief Writes a message to a file
+ *
+ */
+class cmWriteFileCommand : public cmCommand
+{
+public:
+  /**
+   * This is a virtual constructor for the command.
+   */
+  virtual cmCommand* Clone()
+    {
+    return new cmWriteFileCommand;
+    }
+
+  /**
+   * This is called when the command is first encountered in
+   * the CMakeLists.txt file.
+   */
+  virtual bool InitialPass(std::vector<std::string> const& args,
+                           cmExecutionStatus &status);
+
+  /**
+   * This determines if the command is invoked when in script mode.
+   */
+  virtual bool IsScriptable() const { return true; }
+
+  /**
+   * The name of the command as specified in CMakeList.txt.
+   */
+  virtual const char* GetName() const { return "write_file";}
+
+  /**
+   * Succinct documentation.
+   */
+  virtual const char* GetTerseDocumentation() const
+    {
+    return "Deprecated. Use the file(WRITE ) command instead.";
+    }
+
+  /**
+   * More documentation.
+   */
+  virtual const char* GetFullDocumentation() const
+    {
+    return
+      "  write_file(filename \"message to write\"... [APPEND])\n"
+      "The first argument is the file name, the rest of the arguments are "
+      "messages to write. If the argument APPEND is specified, then "
+      "the message will be appended.\n"
+      "NOTE 1: file(WRITE ... and file(APPEND ... do exactly the same as "
+      "this one but add some more functionality.\n"
+      "NOTE 2: When using write_file the produced file cannot be used as an "
+      "input to CMake (CONFIGURE_FILE, source file ...) because it will "
+      "lead to an infinite loop. Use configure_file if you want to generate "
+      "input files to CMake.";
+    }
+
+  /** This command is kept for compatibility with older CMake versions. */
+  virtual bool IsDiscouraged() const
+    {
+    return true;
+    }
+
+  cmTypeMacro(cmWriteFileCommand, cmCommand);
+};
+
+
+#endif