>>>> +       OPTARG=`echo ${OPTARG} | sed -e 's/\/$//'`
>> Well, it will break if $OPTARG contains shell metacharacters; should
>> it maybe have " " in some places?
> Unlikely...no matter the metacharacters it's just stripping off a
> trailing /.

Is "echo ${OPTARG}" really safe in all shells even if ${OPTARG} is,
say, "/mnt/home->work"?  (It works fine in our sh, and I don't have
others handy to try.)

What about when ${OPTARG} is "-n a m e-"?  "/usr/***tmp***"?

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