27 lines
392 B
Perl
27 lines
392 B
Perl
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#!/usr/bin/perl -w
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my $file = $ARGV[0];
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my @lines = <>;
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my $anchors = {};
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my $i = 0;
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foreach $line (@lines) {
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$i++;
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if ($line =~ m/id="([^"]+)"/) {
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$anchors->{$1} = $i;
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}
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}
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$i = 0;
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foreach $line (@lines) {
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$i++;
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while ($line =~ m/href="#([^"]+)"/g) {
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if (! exists($anchors->{$1})) {
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print "$file:$i: $1 referenced\n";
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}
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}
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}
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