s3cmd backup script

#!/bin/sh

t=`date -Iseconds`

cd /home/username/s3
mkdir ${t}
echo "using temporary location $(pwd)/${t} to back up files"

echo "dumping domainname database"
mysqldump --single-transaction --quick --lock-tables=false -u databaseuser -pdatabasepassword -h mysql.username.co domainname > ${t}/domainname.sql
pigz --fast ${t}/domainname.sql

echo "dumping domainname files"
tar zcf /home/username/s3/${t}/domainname.tar.gz /home/username/domainname.co/

echo "shipping all files to amazon s3!"
/usr/local/bin/s3cmd sync -r ${t} s3://bucket.name/domainname/

echo "deleting temporary folder"
rm -r ${t}