fix a bug in demo_svr_start.sh

script/demo_svr_start.sh

@@ -32,7 +32,17 @@ sleep 3
 check=$(ps aux | grep -w ./${demo_server_name} | grep -v grep | wc -l)
 if [ $check -ge 1 ]; then
   newPid=$(ps aux | grep -w ./${demo_server_name} | grep -v grep | awk '{print $2}')
-  ports=$(netstat -netulp | grep -w ${newPid} | awk '{print $4}' | awk -F '[:]' '{print $NF}')
+  declare -a ports
+  declare -i index
+  #index for array ports
+  index=0
+
+  for pid in ${newPid}
+  do
+    ports[${index}]=$(netstat -netulp | grep -w ${pid} | awk '{print $4}' | awk -F '[:]' '{print $NF}')
+    index=$((${index}+1))
+  done
+
   allPorts=""
 
   for i in $ports; do