Take out the spaces in your variable declarations.
Code:
# SQL Dump Config
MYSQL_DB='all' # the database to dump
MYSQL_USER='' # the user to login to mysql as
MYSQL_PASS='' # mysql user password
MYSQL_SAVE_DIR='/root/webdump/sql/' # directory to save the dump into
DATE=`date -I` # date formatting to be used to name the dump
# FTP Config
FTP_HOST='' # the ftp host to upload to
FTP_USER='' # the ftp user to login as
FTP_PASS='' # the password for the FTP user
FTP_DIR='BACKUP' # the directory to put the uploaded file into