hey guys,

can anybody help me out here on the following:

grep '^[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}$' ravi.txt mary.txt lisa.txt
i.e what i did was found ip addreses from different files
and then i want Perform a reverse lookup on each ip address and format it like "IP=192.168.0.1,hostname=poodle.google.com"??