ok it doesn't segfault this time, but the check for json still no work

src/main.cpp

@@ -36,28 +36,30 @@ int main(int argc, char **argv)
 			}
 		}
     	}
-	for (int i; i < argc; i++) {
-		char* arg = argv[i];
-		int filename_length = 0;
-		for (int char_count; char_count < 500; char_count++) { // how to not check file types; note to self, make this work with magic numbers and not file extensions
-			if (arg[char_count] == '\0') { filename_length = char_count; break;}
-		}
-		for (int j; j < filename_length-5; j++) { // why am i allowed near a computer
-			arg += j;
-		}
-		if (!strcmp(arg, ".json")) {
-			std::cout << "oh god it worked" << std::endl;
-			
-		}
-	}
 	std::cout << "debug: " << debug << " help: " << help << std::endl;
 	if (help) {
 		std::cout << "this is a factorio clone. we don't have a working name for it yet, but dragon lord suggested \"beurocra-tech\"" << std::endl;
 		std::cout << "usage: " << filename << " -dh <*.json>" << std::endl;
-		return 1;
+		return 0;
 	}
 	if (debug) {
 		std::cout << "filename: " << filename << " default path: " << defaultPath << std::endl;
 	}
+
+	for (int i = 0; i < argc; i++) {
+		char* arg = argv[i];
+		char* arg_kept = arg;
+		int filename_length = 0;
+		for (int char_count = 0; char_count < 500; char_count++) { // how to not check file types; note to self, make this work with magic numbers and not file extensions
+			if (arg[char_count] == '\0') { filename_length = char_count; printf("it worked up to here"); break;}
+		}
+		for (int j = 0; j < filename_length-6; j++) { // why am i allowed near a computer
+			arg += j;
+		}
+		if (!strcmp(arg, ".json")) {
+			printf("oh god it worked");
+			printf("%s", arg_kept);
+		}
+	}
     	return 0;
 }