d and operates from the left. The % key is on the right of the $ key and operated from the right.
These operators can be used to do a variety of t... just use yourself -- if you remember to quote it right. It's easy enough to add check for the number of ... f the script, before doing anything; for example: right after the MBFL library code.
In the main block o... s
# to call: whois userid
{
# check we have the right params
if [ $# -lt 1 ]; then
echo "whois : ne
