command line options

[Doug Gwyn]

In article <2075 at quacky.mips.COM> dce at quacky.UUCP (David Elliott) writes:
>In article <7746 at brl-smoke.ARPA> gwyn at brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
>>In the 8th Edition UNIX shell, you simply export them via the environment.
>How do shell scripts handle this situation?
>Do I have to do "unset" (or otherwise undefine) each name that I use,

Basically the answer would seem to be "yes".
That's one reason I decided to take a different approach
for the BRL Bourne shell.
The other problem is that most existing Bourne shells die a
horrible death when the environment contains anything other
than NAME=VALUE pairs.