Backup (mysql dump) all your MySQL databases in separate files

mysql dump all to files

#! /bin/bash
 
TIMESTAMP=$(date +"%F")
BACKUP_DIR="./$TIMESTAMP"
MYSQL_USER="root"
MYSQL=mysql
MYSQL_PASSWORD=""
MYSQLDUMP=mysqldump
 
mkdir -p "$BACKUP_DIR"
 
databases=`$MYSQL --user=$MYSQL_USER -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema)"`
 
for db in $databases; do
  $MYSQLDUMP --force --opt --lock-tables=false --user=$MYSQL_USER --databases $db > "$BACKUP_DIR/$db.sql"
done

http://dev.mensfeld.pl/2013/04/backup-mysql-dump-all-your-mysql-databases-in-separate-files/

http://stackoverflow.com/questions/104612/run-mysqldump-without-locking-tables/104628#104628

Original code

! /bin/bash

TIMESTAMP=$(date +"%F")
BACKUP_DIR="/backup/$TIMESTAMP"
MYSQL_USER="backup"
MYSQL=/usr/bin/mysql
MYSQL_PASSWORD="password"
MYSQLDUMP=/usr/bin/mysqldump

mkdir -p "$BACKUP_DIR/mysql"

databases=$MYSQL --user=$MYSQL_USER -p$MYSQL_PASSWORD -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema)"

for db in $databases; do
$MYSQLDUMP --force --opt --user=$MYSQL_USER -p$MYSQL_PASSWORD --databases $db | gzip > "$BACKUP_DIR/mysql/$db.gz"
done