#!/bin/sh str_ymd=`date +"%Y%m%d%H%M%S"` str_cmd='' str_cmd=$str_cmd'/usr/bin/mysqldump' str_cmd=$str_cmd' --default-character-set=utf8' str_cmd=$str_cmd' --skip-lock-tables' str_cmd=$str_cmd' --user=db_user' str_cmd=$str_cmd' --password=db_pass' str_cmd=$str_cmd' --host=db_host' str_cmd=$str_cmd' db_name' str_cmd=$str_cmd' 1> /home/aaa/bbb/ccc/' str_cmd=$str_cmd$str_ymd str_cmd=$str_cmd'.sql' str_cmd=$str_cmd' 2>> /home/aaa/bbb/ccc/_err.txt' eval $str_cmd
