diff --git a/egs/callhome/v1/cmd.sh b/egs/callhome/v1/cmd.sh
index f58fbd9..1d35d52 100644
--- a/egs/callhome/v1/cmd.sh
+++ b/egs/callhome/v1/cmd.sh
@@ -1,10 +1,10 @@
 # Modify this file according to a job scheduling system in your cluster.
 # For more information about cmd.sh see http://kaldi-asr.org/doc/queue.html.
 #
-# If you use your local machine, use "run.sh".
-# export train_cmd="run.sh"
-# export infer_cmd="run.sh"
-# export simu_cmd="run.sh"
+# If you use your local machine, use "run.pl".
+# export train_cmd="run.pl"
+# export infer_cmd="run.pl"
+# export simu_cmd="run.pl"
 
 # If you use Grid Engine, use "queue.pl"
 export train_cmd="queue.pl --mem 32G -l 'hostname=c*'"
diff --git a/egs/callhome/v1/run_prepare_shared.sh b/egs/callhome/v1/run_prepare_shared.sh
index 84ef559..e8ca500 100755
--- a/egs/callhome/v1/run_prepare_shared.sh
+++ b/egs/callhome/v1/run_prepare_shared.sh
@@ -119,7 +119,7 @@ if [ $stage -le 0 ]; then
         fi
         unzip sim_rir_8k.zip -d data/sim_rir_8k
         find $PWD/data/sim_rir_8k -iname "*.wav" \
-            | awk '{split($1,A,/[\/\.]/); print A[length(A)-3]"_"A[length(A)-1], $1}' \
+            | awk '{n=split($1,A,/[\/\.]/); print A[n-3]"_"A[n-1], $1}' \
             | sort > data/simu_rirs_8k/wav.scp
         awk '{print $1, $1}' data/simu_rirs_8k/wav.scp > data/simu_rirs_8k/utt2spk
         utils/fix_data_dir.sh data/simu_rirs_8k
diff --git a/egs/mini_librispeech/v1/cmd.sh b/egs/mini_librispeech/v1/cmd.sh
index eebfd70..f4cca19 100644
--- a/egs/mini_librispeech/v1/cmd.sh
+++ b/egs/mini_librispeech/v1/cmd.sh
@@ -1,10 +1,10 @@
 # Modify this file according to a job scheduling system in your cluster.
 # For more information about cmd.sh see http://kaldi-asr.org/doc/queue.html.
 #
-# If you use your local machine, use "run.sh".
-# export train_cmd="run.sh"
-# export infer_cmd="run.sh"
-# export simu_cmd="run.sh"
+# If you use your local machine, use "run.pl".
+# export train_cmd="run.pl"
+# export infer_cmd="run.pl"
+# export simu_cmd="run.pl"
 
 # If you use Grid Engine, use "queue.pl"
 export train_cmd="queue.pl --mem 16G -l 'hostname=c*'"
diff --git a/egs/mini_librispeech/v1/run_prepare_shared.sh b/egs/mini_librispeech/v1/run_prepare_shared.sh
index 0a350c8..a356ada 100755
--- a/egs/mini_librispeech/v1/run_prepare_shared.sh
+++ b/egs/mini_librispeech/v1/run_prepare_shared.sh
@@ -55,7 +55,7 @@ if [ $stage -le 0 ]; then
         fi
         unzip sim_rir_8k.zip -d data/sim_rir_8k
         find $PWD/data/sim_rir_8k -iname "*.wav" \
-            | awk '{split($1,A,/[\/\.]/); print A[length(A)-3]"_"A[length(A)-1], $1}' \
+            | awk '{n=split($1,A,/[\/\.]/); print A[n-3]"_"A[n-1], $1}' \
             | sort > data/simu_rirs_8k/wav.scp
         awk '{print $1, $1}' data/simu_rirs_8k/wav.scp > data/simu_rirs_8k/utt2spk
         utils/fix_data_dir.sh data/simu_rirs_8k