mysqldump_all.sh [first|local|help}

# define host and mysql password
            REMOTE_HOST="" #远程主机名或IP
            REMOTE_PASSWORD="" #远程主机的mysql中的root@本地主机 密码.
            # define database path
            DB_PATH="/var/lib/mysql" #本地mysql数据库路径
            LOCAL_PASSWORD="" #本地mysql root用户密码
            DB_BACKUP_PATH="/root/db_bk" #本地备份时数据保存的路径
            NO_BACKUP_DB="" 设置本地数据库中不想备份的数据库名,用空格隔开

#!/bin/sh
            # mysqldump_all.sh
            # this scripts is used to backup MySQL database bettwen tow MySQL SERVER!
            # define host and mysql password
            REMOTE_HOST=""
            REMOTE_PASSWORD=""
            # define database path
            DB_PATH="/var/lib/mysql"
            LOCAL_PASSWORD=""
            DB_BACKUP_PATH="/root/db_bk"
            # define which database no back up, write db anme escap whit space!
            # example;
            # NO_BACKUP_DB="yns test ps_note"
            # this said that if db name is "yns" or "test" or "ps_note", then not backup them!
            NO_BACKUP_DB=""
            # get the database name and process one by one
            echo "Start to Backup...";
            #ls /var/lib/mysql > /tmp/mydb.all
            if [ "$1" != "help" ]; then
            for db in `ls $DB_PATH`; do
            if_backup="1"
            if [ -d $DB_PATH/$db ] ; then
            for noBackDB in $NO_BACKUP_DB ; do
            if ( test "$db" = "$noBackDB" ); then
            #echo -n "...";
            if_backup="";
            fi
            done
            if [ $if_backup ]; then
            case "$1" in
            first)
            echo -n "Crate db [ $db ] on $REMOTE_HOST first!"
            result=`mysqladmin -h $REMOTE_HOST --password=$REMOTE_PASSWORD create $db`
            if [ ! $result ]; then
            echo "...Done!";
            else
            echo "...Fialed! check your configure plz!";
            echo "Remote host said: $result";
            exit
            fi
            ;;
            local)
            # back up to localhost dir.
            if [ ! -d $DB_BACKUP_PATH ]; then
            mkdir $DB_BACKUP_PATH
            fi
            echo -n "[ $db ]....Backup to local$DB_BACKUP_PATH with gzip";
            if [ -e "$DB_BACKUP_PATH/$db.gz" ]; then
            mv $DB_BACKUP_PATH/$db.gz $DB_BACKUP_PATH/$db.1.gz;
            fi
            mysqldump --password=Walte#Ming $db | gzip > $DB_BACKUP_PATH/$db.gz
            echo "...[OK]"
            ;;
            *)
            # Do common Backup!
            echo -n "[ $db ]...Do Backup! ====>> $REMOTE_HOST/$db";
            mysqldump --add-drop-table $db --password=$LOCAL_PASSWORD | mysql -h
            $REMOTE_HOST --password=$REMOTE_PASSWORD $db
            echo "....[OK]";
            esac
            else
            echo "[ $db ]";
            echo "***This database set to Not backup!...Operation CANCELED!";
            fi
            else
            echo "[ $db ]";
            echo "***Warning! Not a DataBbase. Backup Canceled***";
            fi
            done
            else
            echo "Usage: mysqldupm_all.sh [firs|local|help]";
            echo "Some question ask for walteyh@sohu.com";
            fi
            # Ended all backup opretion!
            echo "";
            echo "Note: if there is come wrong message white MySQL, you should check your configure first!";
            exit