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Re: apt: exporting and importing list of installed packages

On Wed, Oct 15, 2003 at 01:48:06AM +0200, Jens Grivolla wrote:
> Hi,
> I apparently have a lot of leftovers from old packages that did not
> get cleanly uninstalled, and am losing quite a bit of disk space for
> that.
> I would therefore like to do a fresh install (backing up /home and
> /etc), but using my current selection of packages (which I just
> carefully verified).
> Is there a way to dump my current selection to a file and read it back
> later?  I didn't find such an option in aptitude or any of the other
> tools.
> Ciao
>    Jens

I use this:

grep -E "^Package|Status:.+$" /var/lib/dpkg/status | \
  sed "s/Package:/\tPackage:/" | tr \\n \\t | sed "s/\t\t/\n/g" | \
  grep "install ok installed" | \
  sed "s/Package: \(.*\)\tStatus: install ok installed/\1/" | sort

You could save it to a file and maybe 'aptitude install `cat file`'.

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