diff --git a/exercises/ex12/rm b/exercises/ex12/rm
index 249eba2..cc533c4 100755
--- a/exercises/ex12/rm
+++ b/exercises/ex12/rm
@@ -11,7 +11,6 @@ parser = argparse.ArgumentParser()
 parser.add_argument("paths", nargs="+", type=Path)
 parser.add_argument("-r", "--recursive", action="store_true")
 args = parser.parse_args()
-result = ""
 error = False
 
 for path in args.paths:
diff --git a/exercises/ex12/rmdir b/exercises/ex12/rmdir
new file mode 100755
index 0000000..c8ee292
--- /dev/null
+++ b/exercises/ex12/rmdir
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+# Exercise 12c
+# rmdir command
+
+import sys
+import argparse
+from pathlib import Path
+
+parser = argparse.ArgumentParser()
+parser.add_argument("paths", nargs="+", type=Path)
+parser.add_argument("-p", "--parents", action="store_true")
+args = parser.parse_args()
+error = False
+
+for path in args.paths:
+    if path.is_file():
+        print(f"rmdir: fallo al borrar '{path}': No es un directorio")
+        error = True
+    elif len(list(path.glob("*"))) > 0:
+        print(f"rmdir: fallo al borrar '{path}': El directorio no está vacío")
+        error = True
+    else:
+        if args.parents is True:
+            while len(path.parts) > 0:
+                path.rmdir()
+                path = path.parent
+        else:
+            path.rmdir()
+
+if error:
+    sys.exit(1)