diff --git a/src/Makefile.am b/src/Makefile.am
index d3e6bd4d3..8a47a7985 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -2,10 +2,10 @@ bin_PROGRAMS = task
 task_SOURCES = Att.cpp Cmd.cpp Config.cpp Context.cpp Date.cpp Duration.cpp   \
                Filter.cpp Grid.cpp Keymap.cpp Location.cpp Nibbler.cpp        \
                Record.cpp Sequence.cpp StringTable.cpp Subst.cpp Task.cpp     \
-               TDB.cpp Table.cpp Timer.cpp color.cpp command.cpp edit.cpp     \
-               import.cpp interactive.cpp valid.cpp recur.cpp report.cpp      \
-               custom.cpp rules.cpp main.cpp text.cpp util.cpp                \
+               TDB.cpp Table.cpp Timer.cpp Permission.cpp color.cpp edit.cpp  \
+               command.cpp import.cpp interactive.cpp valid.cpp recur.cpp     \
+               report.cpp custom.cpp rules.cpp main.cpp text.cpp util.cpp     \
                Att.h Cmd.h Config.h Context.h Date.h Duration.h Filter.h      \
                Grid.h Keymap.h Location.h Nibbler.h Record.h Sequence.h       \
-               StringTable.h Subst.h Task.h TDB.h Table.h Timer.h color.h     \
-               i18n.h main.h text.h util.h
+               StringTable.h Subst.h Task.h TDB.h Table.h Timer.h             \
+               Permission.h color.h i18n.h main.h text.h util.h
diff --git a/src/Permission.cpp b/src/Permission.cpp
new file mode 100644
index 000000000..b8d5dcf8c
--- /dev/null
+++ b/src/Permission.cpp
@@ -0,0 +1,58 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2009, Paul Beckingham.
+// All rights reserved.
+//
+// This program 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 2 of the License, or (at your option) any later
+// version.
+//
+// This program 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
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "Permission.h"
+#include "util.h"
+#include "i18n.h"
+
+////////////////////////////////////////////////////////////////////////////////
+Permission::Permission ()
+: needConfirmation (false)
+, allConfirmed (false)
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+bool Permission::confirmed (const std::string& question)
+{
+  if (!needConfirmation)
+    return true;
+
+  if (allConfirmed)
+    return true;
+
+  int answer = confirm3 (question);
+  if (answer == 2)
+    allConfirmed = true;
+
+  if (answer > 0)
+    return true;
+
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
diff --git a/src/Permission.h b/src/Permission.h
new file mode 100644
index 000000000..ef7ce024c
--- /dev/null
+++ b/src/Permission.h
@@ -0,0 +1,49 @@
+////////////////////////////////////////////////////////////////////////////////
+// task - a command line task list manager.
+//
+// Copyright 2006 - 2009, Paul Beckingham.
+// All rights reserved.
+//
+// This program 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 2 of the License, or (at your option) any later
+// version.
+//
+// This program 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
+// this program; if not, write to the
+//
+//     Free Software Foundation, Inc.,
+//     51 Franklin Street, Fifth Floor,
+//     Boston, MA
+//     02110-1301
+//     USA
+//
+////////////////////////////////////////////////////////////////////////////////
+#ifndef INCLUDED_PERMISSION
+#define INCLUDED_PERMISSION
+
+#include <string>
+
+class Permission
+{
+public:
+  Permission ();
+  Permission (const Permission&);
+  Permission& operator= (const Permission&);
+
+  void bigChange ()   { needConfirmation = true; }
+  void bigSequence () { needConfirmation = true; }
+  bool confirmed (const std::string&);
+
+private:
+  bool needConfirmation;
+  bool allConfirmed;
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////
diff --git a/src/tests/Makefile b/src/tests/Makefile
index f6476bb0c..efeea7499 100644
--- a/src/tests/Makefile
+++ b/src/tests/Makefile
@@ -8,7 +8,7 @@ OBJECTS = ../TDB.o ../Task.o ../valid.o ../text.o ../Date.o ../Table.o         \
           ../Record.o ../StringTable.o ../Subst.o ../Nibbler.o ../Location.o   \
           ../Filter.o ../Context.o ../Keymap.o ../command.o ../interactive.o   \
           ../report.o ../Grid.o ../color.o ../rules.o ../recur.o ../custom.o   \
-          ../import.o ../edit.o ../Timer.o
+          ../import.o ../edit.o ../Timer.o ../Permission.o
 
 all: $(PROJECT)