F5 UCS backup to FTP script

# BIG-IP Backup Script
#
# This script automates LTM Backups and saves the files with hostname and date
# off to an FTP server
# version 1.0
# Author: Yusuf
# Original Date: 03/09/18
#save this file to /etc/cron.daily for daily backup
#remember to change permission to read/write/execute using
#chmod 777
tmsh save /sys ucs /var/tmp/BIG-IP_backup
export a='date +"%y%m%d"'
export aa=$HOSTNAME.$a.ucs
export b=/var/tmp/$aa
mv /var/tmp/BIG-IP_backup.ucs $b
tar -cf /var/tmp/certs.tar /config/ssl
export ff=$HOSTNAME.$a.certs.tar
export f=/var/tmp/$ff
mv /var/tmp/certs.tar $f
export c=$HOSTNAME.$a.crontab
export cc=/var/tmp/$c
cp /etc/crontab $cc
export MName=
export Log=/var/tmp/log.bigip
export UserName=
export UserPassword=
export Machine1f2=$aa
export Machine1f3=$c
export Machine1f4=$ff
ftp -nvd ${MName} <&2 > ${Log}
user ${UserName} ${UserPassword}
bin
put ${b} ${Machine1f2}
put ${cc} ${Machine1f3}
put ${f} ${Machine1f4}
quit
END
rm -f ${b}
rm -f ${cc}
rm -f ${f}
RTN_CODE=$?
exit $RTN_CODE