Create Database backup script and check file is older than 10 days if yes delete

backup_db_script.sh

#!/bin/bash
MY_HOME="/var/www/prajapatianil.com.np/backupdb/"
case $1 in
  "backup")
    cd $MY_HOME
    mysqldump -h localhost -u 'usermysql' -p'passwordmysql' databasename > websitedb$(date +%Y%m%d_%H).sql
    tar -zcvf websitedb$(date +%Y%m%d_%H).tgz websitedb$(date +%Y%m%d_%H).sql
    rm websitedb$(date +%Y%m%d_%H).sql;;
  *)  echo "Others";;
esac

# Delete file older than 10 days
find /var/www/prajapatianil.com.np/backupdb/ -mtime +10 -type f -delete