how to do pkg_info -W without pkg_info?

[@lbutlr]

I would like to find out what port installed a specific file, and in searching I found the suggestion, from 2010, to use

pkg_info -W <name of file>

But on FreeBSD 11.1-p4-RELEASE with postmaster, there is no pkg_info and `pkg info` doesn't have a -W flag nor, apparently, a way to check for where a file came from.


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