diff --git a/examples/run_all_dqn.sh b/examples/run_all_dqn.sh
index f463bea..76db3b6 100644
--- a/examples/run_all_dqn.sh
+++ b/examples/run_all_dqn.sh
@@ -1,4 +1,5 @@
-rm -rf results
+#!/bin/sh
+# rm -rf results
 python examples/run_dqn.py --dir-suffix=dqn
 # DDQN
 python examples/run_dqn.py --enable-double-dqn --dir-suffix=ddqn
@@ -11,4 +12,4 @@ python examples/run_dqn.py --enable-categorical-dqn --dir-suffix=categorical_dqn
 # Dueling DDQN Noisy Nets
 python examples/run_dqn.py --enable-double-dqn --enable-dueling-dqn --enable-noisy-dqn --dir-suffix=dueling_ddqn_noisy
 # Dueling DDQN Categorical Noisy Nets
-python examples/run_dqn.py --enable-double-dqn --enable-dueling-dqn --enable-noisy-dqn --enable-categorical-dqn --dir-suffix=dueling_ddqn_categorical_noisy
\ No newline at end of file
+python examples/run_dqn.py --enable-double-dqn --enable-dueling-dqn --enable-noisy-dqn --enable-categorical-dqn --dir-suffix=dueling_ddqn_categorical_noisy