Backup mysql script

#!/bin/sh

if [ $# -lt 2 ]; then
  echo "Usage: backup_mysql database_name backup_folder"
else
  name="$1_$(date +%F_%T).sql"
  output="$2/$name"
  last="$2/last_backup.sql"
  mysqldump -utak3r $1 > $output
  if [ -f $last ]; then
    rm -f $last
  fi
  cp $output $last
fi