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#!/bin/perl

# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0.  If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.

sub sortlevel() {
	my @options = ();
	my $fin = "";
	my $i = 0;
	while (<>) {
		if (/^\s*};$/ || /^\s*}; \/\/.*$/) {
			$fin = $_;
			# print 2, $_;
			last;
		}
		next if (/^$/);
		if (/{$/) {
			# print 3, $_;
			my $sec = $_;
			push(@options, $sec . sortlevel());
		} else {
			push(@options, $_);
			# print 1, $_;
		}
		$i++;
	}
	my $result = "";
	foreach my $i (sort @options) {
		$result = ${result}.${i};
		$result = $result."\n" if ($i =~ /^[a-z]/i);
		# print 5, ${i};
	}
	$result = ${result}.${fin};
	return ($result);
}

print sortlevel();