Drop all tables of a MySQL database

mysql-drop-tables.sh

#!/bin/bash

# Drop all tables of a MySQL database
# https://gist.github.com/lavoiesl/96aa8586b609daac2dad

if [ -z "$@" ]; then
    echo "Usage: $0 database_name" >&2
    echo "  or : $0 -uuser -ppassword -hlocalhost database_name" >&2
    exit 1
fi

tables=$(mysql $@ -NB -e "SHOW TABLES;" | sed -E 's/^(.+)$/\`\1\`/')

if [ -z "${tables}" ]; then
    echo "Database is empty"
    exit
fi

joined=$(echo "${tables}" | tr "\n" ", " | sed 's/,$//')

echo "DROP TABLE $joined;"
echo
echo -n "Confirm (y/N) ? "
read confirm

if [ "${confirm}" = "y" ]; then
    mysql $@ -e "SET foreign_key_checks = 0; DROP TABLE $joined; SET foreign_key_checks = 1;"
fi