+if [ $# -gt 0 ]; then
+ FILES="$*"
+else
+ FILES=`grep -rc "# Copyright" . | grep -v ':0$' | cut -d: -f1`
+fi
+
+COPYRIGHT_TEXT="#
+# 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."
+# escape newlines and special characters
+SED_RM_TRAIL_END='s/[\]n$//' # strip trailing newline escape
+SED_ESC_SPECIAL='s/\([()/]\)/\\\1/g' # escape special characters
+ESCAPED_TEXT=`echo "$COPYRIGHT_TEXT" | awk '{printf("%s\\\\n", $0)}' | sed "$SED_RM_TRAIL_END" | sed "$SED_ESC_SPECIAL"`
+