mysql $DB -u$USERNAME -p$PASSWORD -e 'show tables like "$LIKE%"' | grep -v Tables_in | xargs mysqldump --add-drop-table $DB -u$USERNAME -p$PASSWORD
Replace dollar variables with your details to drop a group of tables. Useful when you've got one database hosting a number of different web sites and you need a dump of a particular site.
SPONSORBuddy: The DevOps Automation Platform
Get the most powerful and easy-to-configure continuous integration and delivery platform.