querydns and autocomplete on a dumped zone file

gistfile1.txt

#!/bin/bash
# BEGIN CRON DAILY ##

bind_server=foo.bar.com

if ssh root@$bind_server 'rndc dumpdb -zones'
then
        scp -q root@$bind_server:/var/cache/bind/named_dump.db /tmp/
        grep -v '^;' /tmp/named_dump.db|awk {'print $1'}|grep -v 'IN-ADDR'|sed s/\.$//|tr '[A-Z]' '[a-z]'|egrep -v '^[1-9]'|egrep -v '^\*'|sort|uniq > ~/.ssh_hosts
        awk '{print $1" <--> "$5}' /tmp/named_dump.db | grep -vE '(nse|;|ARPA)' | tr '[A-Z]' '[a-z]'|sed -e 's/. / /' -e 's/ -/ /' -e 's/\.$//' > ~/.ssh_hosts_ips
fi

#### END CRON DAILY



#querydns completion
# in .profile or .bashrc
if [ -e ~/.ssh_hosts ]; then
        complete -W "$(cat ~/.ssh_hosts)" s ssh rsync querydns
fi
##
##### END .bashrc



#Regular querydns command (I guess you could just make this an alias if you dont need the command completion above.
## make executable /opt/local/bin/querydns
grep -i < ~/.ssh_hosts_ips "$@"
##### END /opt/local/bin/querydns