/usr/share/texmf-texlive/scripts/shipunov/biokey2html1.pl is in texlive-latex-extra 2009-10ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #!/usr/bin/perl -w
$/="";
print STDERR "Making relative LaTeX key... \n";
&ochki();
print "\n";
while(<>){
	s/\\Z(\d+)\./\\TEZA{$ochki[$1-1]}/g;
	s/\\T+?\s*(\d+)\./\\SSYLKA{$ochki[$1-1]}/sg;
	s/\\ZZ(\d+)\((\d+)\)\./\\STEZA{$ochki[$1-1]}{$ochki[$2-1]}/g;
	print;
}
# fill array to links
sub ochki { 
$B0 = $B1 = $nom = "";
@ochki = ();
	for ($x = 0; $x < 26; $x++) {
		for ($y = 0; $y < 26; $y++) {
			$B0 = chr($y + 65);
			$B1 = chr($x + 65);
			$nom = "$B1$B0";
			@ochki = (@ochki, $nom)
		}
	}
}
#
 |