47 lines
		
	
	
		
			968 B
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			47 lines
		
	
	
		
			968 B
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
| #!/usr/bin/perl
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| 
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| my %include = ();
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| my %included = ();
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| 
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| for my $text (<*.txt>) {
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|     open I, '<', $text || die "cannot read: $text";
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|     while (<I>) {
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| 	if (/^include::/) {
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| 	    chomp;
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| 	    s/^include::\s*//;
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| 	    s/\[\]//;
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| 	    $include{$text}{$_} = 1;
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| 	    $included{$_} = 1;
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| 	}
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|     }
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|     close I;
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| }
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| 
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| # Do we care about chained includes???
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| my $changed = 1;
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| while ($changed) {
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|     $changed = 0;
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|     while (my ($text, $included) = each %include) {
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| 	for my $i (keys %$included) {
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| 	    # $text has include::$i; if $i includes $j
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| 	    # $text indirectly includes $j.
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| 	    if (exists $include{$i}) {
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| 		for my $j (keys %{$include{$i}}) {
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| 		    if (!exists $include{$text}{$j}) {
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| 			$include{$text}{$j} = 1;
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| 			$included{$j} = 1;
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| 			$changed = 1;
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| 		    }
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| 		}
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| 	    }
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| 	}
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|     }
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| }
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| 
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| while (my ($text, $included) = each %include) {
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|     if (! exists $included{$text} &&
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| 	(my $base = $text) =~ s/\.txt$//) {
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| 	print "$base.html $base.xml : ", join(" ", keys %$included), "\n";
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|     }
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| }
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