improve data bash script

Author: qzweng

data/prepare_input.sh

@@ -1,8 +1,14 @@
+#!/bin/bash
+# Based on trace files in csv/, we will generate 23 trace folders (in parallel) that will be used as input folder for the simulator
 for file in csv/openb_pod_list*; do
     echo $file
+    # Create trace folders with the name of csv trace file (without .csv)
     filename="${file##*/}"
     OUTDIR="${filename%.*}"
     mkdir -p $OUTDIR
+    # Copy node yaml (generated by openb_node_list_gpu_node.csv) to the trace folder
     cp node_yaml/openb_node_list_gpu_node.yaml $OUTDIR/
+    # Transform csv file to yaml file and put it under trace folder
     python3 pod_csv_to_yaml.py $file &
-done
+done
+wait && date