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The Debian System -- Concepts and Techniques

Martin F. Krafft — Open Source Press / No Starch Press — ISBN 3-937514-07-4 / 1-593270-69-0

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Deborphan may need to be run iteratively (page 248)

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Reported on: 2006-07-30

In chapter 5. The Debian package management system on page 248:

Deborphaner is not iterative (or recursive, depending on how you look at it). In one run it may suggest to remove a set of packages, but it fails to identify packages that would be obsolete if the user removed the packages suggested in the first run.

Discussion

Philippe Teuwen suggests the following loop:

while [ $(deborphan | wc -l) -ne 0 ]; do
  echo "Purging $(deborphan | wc -l) packets:";
  deborphan | xargs dpkg --purge;
done

Credits

Philippe Teuwen

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Nico Golde: Krafft manages to illustrate topics such as APT pinning, which have a reputation of being complicated and daunting, in an accessible way. [...] Even long-time users will most certainly find new and interesting stuff between the covers. [...] The book has the potential to become the future Debian Bible.

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