Shell 定期清楚MongoDB数据

#!/bin/bash
source ~/.profile

LOG_F=~/script/mongodb_delete.log
echo "---------------------------------------------"  >> ${LOG_F}

DATE=`date +'%Y-%m-%d' -d '-1 days +8hour'`
filter='db.c_name.remove({"createTime":{$lt:"'"$DATE"'"}})'

mongo your_db_name --host your_host -u your_use -p your_password --eval "$filter"