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Mysql数据备份脚本_MySQL

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Release: 2016-06-01 13:41:21
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Mysql数据备份脚本 [html]#crontab -e  #0 2 * * * /home/mysql/bak/bak.sh    thisday=`date "+%G%m%d"`  bakdir='/home/mysql/bak'    bak_name=$bakdir/'exp_'$thisday'.sql'  mysqldump  --default-character-set=utf8 -h 192.168.1.10  -u userName -p dbname -ppassword> $bak_name    for fname in `ls $bakdir/*.sql`  do    tmp=$(echo $fname | awk 'BEGIN{FS="([^0-9]+|$)"}{print $2}');          if [ -z $tmp ];   then          echo "null..";   else               time_dif=$(($(date +%s -d $thisday) - $(date +%s -d $tmp)))          echo $time_dif          result=`expr $time_dif // 86400`          if [ $result -gt 15 ]; then                  echo $fname;                   rm $fname;          fi;  fi;  done     通过linux中的crotab进行备份,备份15天的,脚本目录不要带数字,因为awk那地方会去日期数字。  作者 fellting bitsCN.com

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