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diff -up ndisc6-1.0.3/src/dnssort.in.orig ndisc6-1.0.3/src/dnssort.in
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--- ndisc6-1.0.3/src/dnssort.in.orig	2011-09-22 18:00:19.000000000 +0200
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+++ ndisc6-1.0.3/src/dnssort.in	2016-11-04 12:59:55.449941126 +0100
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@@ -51,8 +51,7 @@ foreach (@ARGV)
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 	while(<FD>)
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 	{
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 		chomp;
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-		split /\./;
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-		push @names, join('.', reverse @_);
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+		push @names, join('.', reverse split /\./);
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 	}
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 	close FD;
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 }
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@@ -67,7 +66,6 @@ if ($opt_r)
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 # Print results
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 foreach (@names)
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 {
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-	split /\./;
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-	print join('.', reverse @_)."\n";
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+	print join('.', reverse split /\./)."\n";
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 }
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