linux shell脚本自动添加计划任务

#!/bin/bash
curr_user=`echo $USER`;
curr_path=$(pwd);
echo "0 * * * * bash $curr_path/get_dingyou_data_hour.sh" >> "/var/spool/cron/$curr_user"
echo "*/1 * * * * bash $curr_path/get_dingyou_data_second.sh" >> "/var/spool/cron/$curr_user"
service crond restart