error: can't read "result": no such variable

Joshua Root jmr at
Sat Dec 2 03:07:48 UTC 2017

Gideon Simpson wrote:
> Ok, this problem is weird. I get the original error if I perform any port command, including stuff like port help.  However, as soon as I do a sudo, the commands work as expected.

That suggests to me that you have some environment variable set that is
a problem for sw_vers for some reason. Most environment variables are
unset by sudo.

- Josh

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