DELETE table1 WHERE sdate < DATE_ADD(NOW(), INTERVAL -2 MONTH);find /var/www/fubon/rawdata -ctime +10 -type f -delete
create timefind /var/www/fubon/data_oneday.proc/*.txt -mtime +7 -type f | xargs rm
modify timeecho '{"foo": "lorem", "bar": "ipsum"}' | python -m json.toolpython -m json.tool my_json.json