From 51a914441c5e13a8013536866b298b274d0f7ddc Mon Sep 17 00:00:00 2001
From: cat <cat@thenight.club>
Date: Sun, 18 Jan 2026 06:59:13 +0200
Subject: [PATCH] self.cpp, a piece of code that makes itself

---
 self.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 self.cpp

diff --git a/self.cpp b/self.cpp
new file mode 100644
index 0000000..27cbe45
--- /dev/null
+++ b/self.cpp
@@ -0,0 +1,40 @@
+/*
+ * This is a piece of code that makes a copy of itself
+ * It is inspired by https://www.youtube.com/watch?v=QGm-d5Ch5JM
+ * Compile with GCC using "g++ self.cpp -o program"
+ *
+ * SPDX-FileCopyrightText: Dora "cat" <cat@thenight.club>
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public License,
+ * v. 2.0. If a copy of the MPL was not distributed with this file, You can
+ * obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <fstream>
+#include <string>
+std::string self = "/*\n * This is a piece of code that makes a copy of itself\n * It is inspired by https://www.youtube.com/watch?v=QGm-d5Ch5JM\n * Compile with GCC using \"g++ self.cpp -o program\"\n *\n * SPDX-FileCopyrightText: Dora \"cat\" <cat@thenight.club>\n * SPDX-License-Identifier: MPL-2.0\n *\n * This Source Code Form is subject to the terms of the Mozilla Public License,\n * v. 2.0. If a copy of the MPL was not distributed with this file, You can\n * obtain one at http://mozilla.org/MPL/2.0/.\n */\n\n#include <fstream>\n#include <string>\nstd::string self = \"!\";\n\nint main() {\n  std::fstream file(\"self2.cpp\", std::fstream::out);\n  for (char character : self) {\n    if (character == 92) {\n      continue;\n    }\n    if (character == 33) {\n      for (char code : self){\n        if (code == 10){\n          file << (char)92 << (char)110;\n          continue;\n        }\n        if (code == 34){\n          file << (char)92;\n        }\n        file << code;\n      }\n      continue;\n    }\n    file << character;\n  }\n  return 0;\n}\n";
+
+int main() {
+  std::fstream file("self2.cpp", std::fstream::out);
+  for (char character : self) {
+    if (character == 92) {
+      continue;
+    }
+    if (character == 33) {
+      for (char code : self){
+        if (code == 10){
+          file << (char)92 << (char)110;
+          continue;
+        }
+        if (code == 34){
+          file << (char)92;
+        }
+        file << code;
+      }
+      continue;
+    }
+    file << character;
+  }
+  return 0;
+}