read 1 var in when executing command

[jdh239]

I saw something similar to this in the archives already, but didn't see a
real answer.  I am modifying my 'whois' command to just grep for the
expiration date of my domains:

ie jwhois

whois $DOM | grep -i expi | grep -i -e jan -e feb -e mar -e apr -e may -e
jun -e jul -e aug -e sep -e oct -e nov -e dec | grep -i -v date

What I would like is to pass in the parameter in the commandline:  jwhois
<domain> 

Currently I have:
echo -n "Enter the domain name: "
read DOM

I would prefer, again, just to execute the command with the domain name
following....  Not sure how to do it.  I have been looking around and saw
things like getopts, but I am only passing in one variable and thought it
should be fairly simple

Thanks in advance.
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