MySQL drop all tables in database

drop-table.sh

#!/bin/bash
USER="$1"
PASS="$2"
DB="$3"
HOST="$4"
 
# Detect paths
MYSQL=$(which mysql)
AWK=$(which awk)
GREP=$(which grep)
 
if [ $# -ne 4 ]
then
	echo "Usage: $0 {MySQL-Host} {MySQL-User-Name} {MySQL-User-Password} {MySQL-Database-Name}"
	echo "Drops all tables from a MySQL Database"
	exit 1
fi
 
TABLES=$($MYSQL -h $HOST-u $USER -p$PASS $DB -e 'show tables' | $AWK '{ print $1}' | $GREP -v '^Tables' )

$MYSQL -h $HOST -u $USER -p$PASS $DB -e "SET FOREIGN_KEY_CHECKS=0;"

for t in $TABLES
do
	echo "Deleting $t table from $DB database..."
	$MYSQL -h $HOST -u $USER -p$PASS $DB -e "drop table $t"
done

$MYSQL -h $HOST -u $USER -p$PASS $DB -e "SET FOREIGN_KEY_CHECKS=1;"