protected void fillFileMap(Environmental E, List<String> V, Map<String,Set<Environmental>> H)
	{
		if(H==null)
			return;
		if(V==null)
			return;
		for(String path : V)
		{
			Set<Environmental> L;
			if(H.containsKey(path))
				L=H.get(path);
			else
			{
				L=new HashSet<Environmental>(1);
				H.put(path, L);
			}
			if(!L.contains(E))
				L.add(E);
		}
	}