Re: How to find all reverse depends of a package?

[Steve McIntyre <steve@einval.com>]

In article <[🔎] 20031117233352.GA13698@twcny.rr.com> you write:
>Without, that is, installing every package in Debian.
>
>I'm curious, for instance, as to why emacs20 hasn't managed to be removed
>yet.  Presumably something depends on it.  But I can't figure out what.

sledge:~$ apt-cache showpkg emacs20
Package: emacs20
Versions: 
20.7-13.1(/var/lib/apt/lists/_mirror_debian_dists_unstable_main_binary-i386_Packages)(/var/lib/dpkg/status)

Reverse Depends: 
  python2.1-elisp,emacs20
  wnn7egg,emacs20
  sdic,emacs20
  jde,emacs20 20.5a
  jde,emacs20 20.7
  auto-pgp,emacs20
  yc-el,emacs20
  xslide,emacs20
  xae,emacs20
  w3m-el,emacs20
  w3m-el,emacs20
  w3-el-e20,emacs20 20.7-100
  w3-el-e20,emacs20 20.7-0.1
  vm,emacs20
  ttcn-el,emacs20
  trr19,emacs20
  t-gnus,emacs20
  speedbar,emacs20
  skk,emacs20
  semantic,emacs20
  ruby1.8-elisp,emacs20
  ruby1.7-elisp,emacs20
  ruby1.6-elisp,emacs20
  riece,emacs20
  ri-db-el,emacs20
  ri-cs-el,emacs20
  records-gnuemacs,emacs20
  python-elisp,emacs20
  psgml,emacs20
  plywood-elisp,emacs20
  planner-el,emacs20
  php-elisp,emacs20
  pcomplete,emacs20
  octave2.1-emacsen,emacs20
  octave2.0-emacsen,emacs20
  mule-ucs,emacs20 20.7
  mozart,emacs20
  mmm-mode,emacs20
  migemo-perl,emacs20
  mhc,emacs20
  mew-beta,emacs20 20.7
  mew,emacs20 20.7
  malaga-bin,emacs20
  mailcrypt,emacs20
  lyskom-elisp-client,emacs20
  lsdb,emacs20
  lookup-el,emacs20
  liece,emacs20
  initz,emacs20
  iiimecf,emacs20 20.6
  html-helper-mode,emacs20
  gnuserv,emacs20
  gnus-bonus-el,emacs20
  gnus,emacs20 20.3
  flim,emacs20
  ess,emacs20
  eshell,emacs20
  emacspeak,emacs20
  emacs20-el,emacs20
  emacs20-el,emacs20 20.7-13.1
  emacs-wiki,emacs20
  emacs-manual-ja,emacs20
  elserv,emacs20
  eieio,emacs20
  egg,emacs20
  edb,emacs20
  develock-el,emacs20
  ddskk,emacs20
  cmail,emacs20
  calc,emacs20
  bitmap-mule,emacs20
  auctex,emacs20
  asn1-mode,emacs20
  artist,emacs20
  anthy-el,emacs20
Dependencies: 
20.7-13.1 - emacsen-common (2 1.4.10) dpkg (2 1.9.0) libc6 (2 2.2.4-4) liblockfile1 (2 1.0) libncurses5 (2 5.2.20020112a-1) libxaw7 (4 4.1.0) xlibs (4 4.1.0) emacs20-el (0 (null)) emacs20-el (3 20.7-13) w3-el (0 (null)) 
Provides: 
20.7-13.1 - www-browser news-reader mail-reader info-browser emacsen 
Reverse Provides: 


-- 
Steve McIntyre, Cambridge, UK.                                steve@einval.com
We don't need no education.
We don't need no thought control.