Fix some programs

io/copy.cpp

@@ -1,5 +1,6 @@
 /* File copier by Tanner Babcock
- * January 11, 2012 */
+ * January 11, 2012,
+ * updated November 2, 2023 */
 #include <iostream>
 #include <fstream>
 using namespace std;
@@ -9,23 +10,26 @@ int main(int argc, char *argv[]) {
 		cerr << "USAGE: " << argv[0] << " [inputfile] [outputfile]" << endl;
 		return 1;
 	}
-	// ifstream in(argv[1]);
-	ifstream in;
-	in.open(argv[1]);	
+
+	ifstream *in = new ifstream();
+	in->open(argv[1]);
 
 	if (!in) {
 		cerr << "ERROR: Input file does not exist" << endl;
 		return 2;
 	}
-	// ofstream out(argv[2]);
-	ofstream out;
-	out.open(argv[2]);
+
+	ofstream *out = new ofstream();
+	out->open(argv[2]);
+
 	char x;
-	while (in.get(x))
-		out.put(x);
+	while (in->get(x))
+		out->put(x);
 
-	out.close();
-	in.close();
+	out->close();
+	in->close();
+	delete out;
+	delete in;
 	return 0;
 }