ROS learning (10): ROS records multiple topic scripts

         Script name self-made , Such as record_topic.bash

#!bin/bash
time=$(date "+%Y%m%d%H%M%S")
echo $time # String format system time , Make the recorded package name not duplicate 

rosbag record -O plan_$time /gpsdata /ecudatareport /globalway /imudata /initref_path /invelocity  /oberver  /speedcmd /steercmd # Record multiple topics 

The operation screenshot :