foreach $filename (@input_names) #Go through input files
	{
		
		($names_ref,$data_ref) = &read_file($filename);
		@tmp_names = @$names_ref;
		@tmp_data = @$data_ref;

		foreach $name (@tmp_names) #Go through lines of current input file
		{
			$index = &find_element($name, @names); #Check if variable is already present in name array (time consuming!)
			if ($index==-1) #Name not present, put both name and data in array
			{
				push(@names,$name);
				push(@data,$tmp_data[$tmp_index]);
			}
			else #Name present, only replace data for the name
			{
				$data[$index] = $tmp_data[$tmp_index];	
			}
			$tmp_index++;
		}

	}