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Date:      Fri, 27 Mar 2009 09:57:54 +0100
From:      "Alain G. Fabry" <>
To:        Jan Henrik Sylvester <>
Cc:        Olivier Nicole <>, questions-list freebsd <>
Subject:   Re: How to list all the installed packages...
Message-ID:  <>
In-Reply-To: <>
References:  <>

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On Fri, Mar 27, 2009 at 09:34:00AM +0100, Jan Henrik Sylvester wrote:
> Olivier Nicole wrote:
> > Is there a way to show a list of all installed packages that are not
> > required by any other package?
> cd /var/db/pkg/ ; for i in *-* ; do if [ ! -e $i/+REQUIRED_BY ] ; then 
> echo $i ; fi ; done
> > Ultimately, that would give a list of "software" versus "libraries".
> Not really. Only runtime dependencies are in +REQUIRED_BY, not build 
> time dependencies.
> > The question arise because, while installing a new machine, I found
> > out that I have help2man installed, that is not required by any other
> > package, that I did not install myself, that looks unneeded to me
> > (until I may need it one day). So I would remove it; and would like to
> > make a list of what is removable (that I did not install, and that is
> > not required).
> help2man is a build dependency of flex, which is a build dependency of 
> gstreamer. gstreamer is a runtime dependency of many application 
> (wxwidget stuff; from kde world: amarok2, ktorrent; from gnome: gimp, 
> pidgin, ...) If you update or rebuild gstreamer, help2man and flex will 
> be reinstalled and the update takes longer than necessary.
> If you want to be able to update ports quickly, you should keep the 
> build dependencies. Doing "make pretty-print-build-depends-list" in a 
> ports directory gives you the build dependencies.
> Cheers,
> Jan Henrik
> _______________________________________________

How about pkg_cutleaves

-> cat /usr/ports/ports-mgmt/pkg_cutleaves/pkg-descr
pkg_cutleaves finds installed 'leaf' packages, i.e. packages that are
not referenced by any other installed package, and lets you decide for
each one if you want to keep or deinstall it (via pkg_deinstall(1)).

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