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-rw-r--r--bin/bibsort.pl66
1 files changed, 66 insertions, 0 deletions
diff --git a/bin/bibsort.pl b/bin/bibsort.pl
new file mode 100644
index 00000000..f87f066f
--- /dev/null
+++ b/bin/bibsort.pl
@@ -0,0 +1,66 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+while (<>) {
+	print;
+	last if /^[.]Sh STANDARDS$/;
+}
+
+my ($ref, @refs);
+while (<>) {
+	next if /^[.](Bl|It|$)/;
+	last if /^[.]El$/;
+	if (/^[.]Rs$/) {
+		$ref = {};
+	} elsif (/^[.]%(.) (.*)/) {
+		$ref->{$1} = [] unless $ref->{$1};
+		push @{$ref->{$1}}, $2;
+	} elsif (/^[.]Re$/) {
+		push @refs, $ref;
+	} else {
+		print;
+	}
+}
+
+sub byLast {
+	my ($af, $al) = split /\s(\S+)(,.*)?$/, $a;
+	my ($bf, $bl) = split /\s(\S+)(,.*)?$/, $b;
+	$al cmp $bl || $af cmp $bf;
+}
+
+foreach $ref (@refs) {
+	@{$ref->{A}} = sort byLast @{$ref->{A}};
+	@{$ref->{Q}} = sort @{$ref->{Q}} if $ref->{Q};
+	next unless $ref->{N};
+	if ($ref->{N}[0] =~ /RFC/) {
+		$ref->{R} = $ref->{N};
+		delete $ref->{N};
+	}
+}
+
+sub byAuthor {
+	local ($a, $b) = ($a->{A}[0], $b->{A}[0]);
+	byLast();
+}
+
+{
+	local ($,, $\) = (' ', "\n");
+	print '.Bl', '-item';
+	foreach $ref (sort byAuthor @refs) {
+		print '.It';
+		print '.Rs';
+		foreach my $key (qw(A T B I J R N V U P Q C D O)) {
+			next unless $ref->{$key};
+			foreach (@{$ref->{$key}}) {
+				print ".%${key}", $_;
+			}
+		}
+		print '.Re';
+	}
+	print '.El';
+}
+
+while (<>) {
+	print;
+}