35 lines
701 B
Perl
Executable file
35 lines
701 B
Perl
Executable file
#!/usr/bin/perl -w
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use strict;
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# filter gitolite's mkd files through this; it's designed to be idempotent of
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# course
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sub make_anchor {
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# make an anchor out of a section heading
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my $sh = shift;
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$sh =~ s/\W+/_/g;
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$sh =~ s/^_//;
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return $sh;
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}
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undef $/;
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my $doc = <>;
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$doc =~ s/^<a name=".*"><\/a>\n\n//mg;
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my @toc = $doc =~ /^###+ .*/mg;
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$doc =~ s/^(###+) (.*)/"<a name=\"" . &make_anchor($2) . "\"><\/a>\n\n$1 $2"/mge;
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for (@toc) {
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s/^(###+) (.*)/' ' x (length($1)-3) . ' * <a href="#' . &make_anchor($2) . "\">$2<\/a>"/e;
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}
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my $toc = "In this document:\n\n";
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$toc .= join("\n", @toc);
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$toc .= "\n\n";
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$doc =~ s/^In this document:\n\n.*?\n\n/$toc/sm;
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print $doc;
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