#!/usr/bin/perl -w

open(PR, "id_description_go_process.txt");
while (<PR>) {
	chomp;
	($sid, $descr) = split /\s+/, $_, 2;
	$process{$sid} = 1;	
}
close(PR);


open(IN, "gene_association.sgd");
#open(IN, "gene_association.sgd.2003-12-12.txt");
while (<IN>) {
	unless (/^!/) {
		chomp;

		# Reset

		@data = ();
		$orf = ();
		$syn = ();
		$gene = ();
		@data = split /\t/, $_;
		$class = $data[4];
		$gene = $data[2];
		$syn = $data[10];

		if ($syn =~ /\|/) {
			($orf, $rest) = split /\|/, $syn, 2;
		} elsif ($syn eq "") {
			$orf = $gene;
		} else {
			$orf = $syn;
		}

		# print "$orf\t$gene\t$syn\t$class\n";

		if (defined $process{$class} && $class ne "GO:0000004") {	# Only record class if process and if not "unknown process"
			push @{$class{$orf}}, $class; 
		}
	}
}
close(IN);


# Remove non-unique classes

@orf = sort(keys %class);
for $orf (@orf) {
		%unique = ();
		@orf_class = ();
		@orf_class = @{$class{$orf}};
		for $orf_class (@orf_class) {
			$unique{$orf_class} = 1;
		}
		@{$unique_class{$orf}} = sort(keys %unique);
}

@orf = ();
@orf = sort(keys %unique_class);
for $orf (@orf) {
	@orf_class = ();
	@orf_class = @{$unique_class{$orf}};

	if ($orf =~ /^Y[A-Z]{2}[0-9]{3}/) {
		$orf =~ s/-//;
	}
	print "$orf\t@orf_class\n";	
}