mysql 自动备份脚本. 自动保存7天

#!/bin/sh# -----------------------------#auth:lrm#date:20120816#database backupdb_user="root"db_passwd="123456"db_host="localhost"db_name1="1"db_name2="2"db_name3="3"db_name4="4"# the directory for story your backup file.backup_dir="/data/xixi_bak/mysql_backup/"
# date format for backup file (dd-mm-yyyy)#time="$(date +"%Y-%m-%d:%H")"time="$(date +"%Y-%m-%d")"
# mysql, mysqldump and some other bin's pathMYSQL="$(which mysql)"MYSQLDUMP="$(which mysqldump)"MKDIR="$(which mkdir)"RM="$(which rm)"MV="$(which mv)"GZIP="$(which gzip)"$MYSQLDUMP -u $db_user -h $db_host -p$db_passwd $db_name1 --default-character-set=utf8 --opt -Q -R --skip-lock-tables | $GZIP -9 > "$backup_dir/$time.$db_name1.gz"$MYSQLDUMP -u $db_user -h $db_host -p$db_passwd $db_name2 --default-character-set=utf8 --opt -Q -R --skip-lock-tables | $GZIP -9 > "$backup_dir/$time.$db_name2.gz"$MYSQLDUMP -u $db_user -h $db_host -p$db_passwd $db_name3 --default-character-set=utf8 --opt -Q -R --skip-lock-tables | $GZIP -9 > "$backup_dir/$time.$db_name3.gz"$MYSQLDUMP -u $db_user -h $db_host -p$db_passwd $db_name4 --default-character-set=utf8 --opt -Q -R --skip-lock-tables | $GZIP -9 > "$backup_dir/$time.$db_name4.gz"

find /data/xixi_bak/mysql_backup/ -mtime +7 -type f | xargs rm -rf