How to list installed ports that have no dependant ports

Erik Trulsson ertr1013 at
Fri Apr 4 00:34:09 PST 2003

On Fri, Apr 04, 2003 at 01:36:20AM -0500, Adam wrote:
> (/usr/ports) - (eskimo at ttypb.jake) - (01:31:37)
> -$ pkg_info |wc -l
>      488
> As you can see, I need to clean up my system quite a bit. I've got a ton
> of things installed, most of which were installed as dependencies for
> ports that have since been uninstalled.
> So, what I'd like to do is list all the ports installed on my box that
> have nothing dependant on them. In this way, I could start removing
> things that I don't need anymore. 
> Is there any clever way to do this? I've toyed around with a few ideas,
> but haven't been able to come up with anything that works nicely.

Look at the output from 'pkg_info -a -R'.

<Insert your favourite quote here.>
Erik Trulsson
ertr1013 at

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