combine trees fix err not appearing

src/tft.cpp

@@ -14,22 +14,38 @@ int main(int argc, char* argv[])
 {
 	if(argc < 2)
 	{
-		cout << "Usage: tft FILE...\n";
+		cout << "Usage: tft FILES...\n";
 		return 0;
 	}
 	if(!strcmp(argv[1], "--help"))
 	{
-		cout << "Usage: tft FILE...\n"
-		     << "Display the family tree in each FILE\n";
+		cout << "Usage: tft FILES...\n"
+		     << "Display the combined family tree in the FILES\n";
 		return 0;
 
 	}
 
-	init();
-	for(int i = 1; i < argc; ++i)
+	Tree tree( parseTftFile(argv[1]) );
+	/* bool negative = false; */
+
+	for(int i = 2; i < argc; ++i)
 	{
-		parseTftFile(argv[i]).display();
+		tree += parseTftFile(argv[i]);
+		/* if( !strcmp(argv[i], "-") ) */
+		/* { */
+		/* 	negative = true; */
+		/* } */
+		/* else */
+		/* { */
+		/* 	if(negative) */
+		/* 		tree -= parseTftFile(argv[i]); */
+		/* 	else */
+		/* 		tree += parseTftFile(argv[i]); */
+		/* } */
 	}
 
+	init();
+	tree.display();
+
 	return 0;
 }