lisak@sonofagun:/opt$ sh -x ./backup.sh
+ JHOME=/opt/jada
+ JBACKUP=/opt/jada-backup
++ date +%F-%H%M%S
+ ARCHIVE=jada_2011-07-19-011014.tar
+ USER=lisak
++ cat /home/lisak/jada/cred
+ PASSWORD=******
+ DBNAME=jada
+ mysql -u lisak -p ubunt888 jada
+ tar -c -f /opt/jada-backup/jada_2011-07-19-011014.tar -C /opt jada
lisak@sonofagun:/opt$ vim ./backup.sh

#!/bin/sh

JHOME=/opt/jada
JBACKUP=/opt/jada-backup
ARCHIVE=jada_`date +%F-%H%M%S`.tar
USER=lisak
PASSWORD=`cat ~/jada/cred`
DBNAME=jada

mysql -u $USER -p $PASSWORD $DBNAME > $JHOME/sql/jada.sql
tar -c -f $JBACKUP/$ARCHIVE -C /opt jada