利用shell删除数据表中指定信息和字段对应的文件

利用shell删除数据表中指定信息和字段对应的文件

利用mysql shell命令读取数据库信息，删除指定字段，以及字段对应的文件，适用Linux平台。
前面变量定义为数据基本配置

#!/bin/bash#Program#    delete the database'info whick state is 3#History:#  2014/2/23  cjp  First release#  2014/3/5/  cjp  change value'setting on 117PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/usr/local/bin:/usr/local/sbin:~/binexport PATHhost="127.0.0.1"port="3306"user="user" passwd="passwd"dbname="database"tablename="table"field="t_field"outField="t_id,t_path"fileRootPath="/var/www/html/apath"filePath=""#checkdown datamysql -h$host -P$port -u$user -p$passwd $dbname -e "SET NAMES utf8;SELECT ${outField} FROM ${tablename} WHERE ${field} = 3" > data_infodate -d '1970-01-01 UTC 946684800 seconds' +"%Y-%m-%d %z" >> del_log.log#delete image file and mysql datased '1d' data_info | while read linedo  echo $line > findtemp  awk '{print $2}' findtemp > imagetemp  cat imagetemp | while read imagedata  do    filePath=${fileRootPath}${imagedata}    echo $filePath >> del_log.log    rm -f $filePath  done  awk '{print $1}' findtemp > idtemp  cat idtemp | while read iddata  do    mysql -h$host -P$port -u$user -p$passwd $dbname -e "SET NAMES utf8;DELETE FROM ${tablename} WHERE s_id = ${iddata}"  donedonerm -f data_inform -f imagetemprm -f idtempecho "^-^ clean!"