Bulk removal of expired keys

[Jerry]

On the URL:
<http://gnupg.10057.n7.nabble.com/gpg2-on-a-Windows-10-Pro-64-bit-machine-td51332.html>
there is a listing for "pgpclean.ps1" that I have used successfully
on my Windows machine. Is there any similar program for use on a
FreeBSD based OS? My primary goal is to remove all expired keys and
refresh the remaining ones if necessary.

-- 
Jerry
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