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sktsee
sktsee at tulsaconnect.com
Mon Apr 16 16:03:34 UTC 2007
On Mon, 16 Apr 2007 06:52:27 +1000, Peter Garrett wrote:
> On Sun, 15 Apr 2007 20:12:17 +0200
> Nils Kassube <kassube at gmx.net> wrote:
>
>> dpkg -l|while read i n r;do apt-cache madison $n|grep universe;done|cut
>> -d\| -f1
>
> I get duplicate lines from the output here - what about something like
>
> for each in $(dpkg --get-selections | grep install | cut -f1) ; do
> apt-cache madison $each | grep universe ; done | cut -d\| -f1 | sort |
> uniq > universe-installed.list
>
> "time" reports
> real 5m52.071s
> user 3m26.669s
> sys 2m21.925s
>
> Comparison:
>
> $ time dpkg -l|while read i n r;do apt-cache madison $n|grep
> universe;done|cut -d\| -f1 | sort | uniq > dpkg-universe
>
> real 6m3.550s
> user 3m28.509s
> sys 2m21.753s
> peter at prospero:~ $ diff dpkg-universe universe-installed.list
> peter at prospero:~ $
>
> So it looks like both give the same result ...
>
> There must be a quicker way though :-)
>
> Peter
There is :)
$ time aptitude search ~i -F '%30p %35v %25s'
real 0m4.286s
user 0m1.996s
sys 0m0.128s
--
sktsee
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