--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libinterp/corefcn/octave-preserve-stream-state.h	Thu Dec 17 16:19:51 2015 +0100
@@ -0,0 +1,53 @@
+/*
+
+Copyright (C) 1993-2015 John W. Eaton
+
+This file is part of Octave.
+
+Octave is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 3 of the License, or (at your
+option) any later version.
+
+Octave is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Octave; see the file COPYING.  If not, see
+<http://www.gnu.org/licenses/>.
+
+*/
+
+#if ! defined (octave_preserve_stream_state_h)
+#define octave_preserve_stream_state_h 1
+
+class
+octave_preserve_stream_state
+{
+public:
+
+  octave_preserve_stream_state (std::ios& s)
+    : stream (s), oflags (s.flags ()), oprecision (s.precision ()),
+      owidth (s.width ()), ofill (s.fill ())
+  { }
+
+  ~octave_preserve_stream_state (void)
+  {
+    stream.flags (oflags);
+    stream.precision (oprecision);
+    stream.width (owidth);
+    stream.fill (ofill);
+  }
+
+private:
+
+  std::ios& stream;
+  std::ios::fmtflags oflags;
+  std::streamsize oprecision;
+  int owidth;
+  char ofill;
+};
+
+#endif