deinstall ports

[Doug Barton]

ports-mgmt/portmaster has some features that might be interesting
here. One is the -e (expunge) feature that will delete a port for you,
and offer to delete all its distfiles. The other is the -s (stale)
option that will look through /var/db/pkg to find any ports that were
installed as a dependency but no longer needed.

You might also be interested in the -l feature that classifies your
installed ports into those that have dependencies, are depended on,
etc. If you find a "leaf" port that is no longer needed, you can use
the -e feature which will then call the -s feature to help you keep
things clean.

hth,

Doug

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