gistfile1.txt

for i in accountsservice\
                 acpid\
                 apport\
                 apport-symptoms\
                 apt-transport-https\
                 apt-xapian-index\
                 aptitude\
                 at\
                 bash-completion\
                 bc\
                 bind9-host\
...........

do 
 if [ -n "$(apt-get -y --dry-run purge $i |grep cloud-init)" ] ; then echo $i ; fi
done