# This is part of the parser for merge different ID mapping files

$n = 0 ;
foreach $file (@files){
	open(In,$file) or die;
	$line = <In> ;
	chomp($line);
	@name = split(/\t/,$line);
	$name{$name[0]} = 1 ;
	$name{$name[1]} = 1 ;
	
	while(<In>){
		chomp;
		@array = split(/\t/,$_);
		$tag = 0 ;
		
		@tmp = split(/\t/,$array[0]);
		foreach $tmp(@tmp){
			if( exists($hash{$name[0]." : ".$tmp}) ){
				$tmpKey = $hash{$name[0]." : ".$tmp}." : ".$name[0] ;
				$hash{$tmpKey} = $hash{$tmpKey}.";".$array[0] ;
				print $tmpKey."\t".$hash{$tmpKey}."\n" ;
				$tmpKey = $hash{$name[0]." : ".$tmp}." : ".$name[1] ;
				$hash{$tmpKey} = $hash{$tmpKey}.";".$array[1] ;
				print $tmpKey."\t".$hash{$tmpKey}."\n" ;
				$tag = 1 ;
				
			}			
		}
		
		@tmp = split(/\t/,$array[1]);
		foreach $tmp(@tmp){
			if( exists($hash{$name[1]." : ".$tmp}) ){
				$tmpKey = $hash{$name[1]." : ".$tmp}." : ".$name[0] ;
				$hash{$tmpKey} = $hash{$tmpKey}.";".$array[0] ;
				print $tmpKey."\t".$hash{$tmpKey}."\n" ;
				$tmpKey = $hash{$name[1]." : ".$tmp}." : ".$name[1] ;
				$hash{$tmpKey} = $hash{$tmpKey}.";".$array[1] ;
				print $tmpKey."\t".$hash{$tmpKey}."\n" ;
				$tag = 1 ;
			}			
		}
		
		if($tag==0){
			$n = $n + 1 ;
			$hash{$n." : ".$name[0]} = $array[0] ;
			$hash{$n." : ".$name[1]} = $array[1] ;
			@tmp = split(/\t/,$array[0]);
			foreach $tmp(@tmp){
				$hash{$name[0]." : ".$tmp} = $n ;
			}
			@tmp = split(/\t/,$array[1]);
			foreach $tmp(@tmp){
				$hash{$name[1]." : ".$tmp} = $n ;
			}
		}		
	}
	close(In);
}

@name = sort(keys(%name));
print Out "newKey" ;
foreach $name( @name ){	
	print Out "\t$name" ;
}
print Out "\n" ;
for($i=1;$i<=$n;$i++){
	print Out "$i" ;
	foreach $name( @name ){
		$tmp = $hash{$i." : ".$name} ;	
		$tmp =~s/^;// ;
		@array = split(/;/,$tmp) ;
		%tmphash = map { $_ => 1 } @array;
		$tmp = join(";",sort(keys(%tmphash)) );
		print Out "\t$tmp" ;
	}
	print Out "\n" ;
}
close(Out);