MYSQL_USER=root
MYSQL_PASS=root
MYSQL_CONN="-u${MYSQL_USER} -p${MYSQL_PASS}"
#
# Collect all database names except for
# mysql, information_schema, and performance_schema
#
SQL="SELECT schema_name FROM information_schema.schemata WHERE schema_name NOT IN"
SQL="${SQL} ('mysql','information_schema','performance_schema')"

DBLISTFILE=/tmp/DatabasesToDump.txt
mysql ${MYSQL_CONN} -ANe"${SQL}" > ${DBLISTFILE}

mkdir dbs

for DB in `cat ${DBLISTFILE}`;
do
    echo "Dumping ${DB}";
    /Applications/MAMP/Library/bin/mysqldump ${MYSQL_CONN} --databases ${DB} > dbs/${DB}.sql;
    echo "Dumped ${DB}";
done