diff --git a/tools/addcopy.sh b/tools/addcopy.sh
new file mode 100755
index 00000000..26ab5ddc
--- /dev/null
+++ b/tools/addcopy.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+
+# Use: addcopy [pattern [year(s)]]
+# Examples:
+#  addcopy *.php
+#  addcopy *.cpp 2009-2011
+
+function copyright()
+{
+cat <<EOF
+/**
+ * $bn
+ * This file is part of the YATE Project http://YATE.null.ro
+ *
+ * ENTER DESCRIPTION OF $bn HERE
+ *
+ * Yet Another Telephony Engine - a fully featured software PBX and IVR
+ * Copyright (C) $cpy Null Team
+ *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+EOF
+}
+
+pat="$1"
+test -n "$pat" || pat="*"
+cpy="$2"
+test -n "$cpy" || cpy="2011"
+
+grep -L -r '^ \* Copyright (C) .* Null Team$' $pat | (while read fn; do
+
+bn=`basename "$fn"`
+
+notrigger="#$$#$$#"
+trigger="$notrigger"
+case "X$bn" in
+	*.cpp)
+		trigger=""
+		;;
+	*.php)
+		trigger="<?"
+		;;
+esac
+
+if [ "X$trigger" = "X$notrigger" ]; then
+    echo "Not handling $bn" >&2
+else
+    echo "Processing: $fn ..."
+
+    cp -p "$fn" "$fn.tmp"
+    (while read; do
+    if [ "X$trigger" = "X" ]; then
+	trigger="$notrigger"
+	copyright
+	echo ""
+    fi
+    printf '%s\n' "$REPLY"
+    if [ "X$REPLY" = "X$trigger" ]; then
+	trigger="$notrigger"
+	echo ""
+	copyright
+    fi
+    done) < "$fn" > "$fn.tmp"
+    mv "$fn.tmp" "$fn"
+fi
+
+done)