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Help with scripting APT / dpkg in Debian 4

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Old 10-20-2008
Help with scripting APT / dpkg in Debian 4
Hello,

I am attempting to write a (bash) shell script that will do some basic reporting based on the APT utilities and dpkg.

I need the following in the report:
Packages installed
(COLUMNS=200 dpkg -l | grep '/^ii/' > packages_installed)

Packages not installed
I suppose that I can do
COLUMNS=200 dpkg -l > packages_available
and then use cmp or diff to print a list of the differences which should just be the packages not installed

Packages with security updates
I'm drawing a blank on this one, maybe restricting sources to
deb Debian -- Security Information stable/updates main
and printing the output

Packages with updates
I think it's just
apt-get -u upgrade > packages_updates

Packages with new versions (including the distro)
apt-cache show?

The script should then print out in a legible form the different categories from the files created. I realize that there are some GUI's out there that do basically the same thing but this will run on servers. Ideally it should be dependent on the "standard" apt utilities.

Thanks for any input!
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LEARN ABOUT XFREE86

dpkg-genbuilddeps

DPKG-GENBUILDDEPS(1)					      General Commands Manual					      DPKG-GENBUILDDEPS(1)

NAME

       dpkg-genbuilddeps - generate a list of packages used to build this package

SYNOPSIS

       dpkg-genbuilddeps [arg ...]

DESCRIPTION

       This  program is a wrapper around dpkg-depcheck(1).  It should be run from the top of a Debian build tree.  It calls dpkg-buildpackage with
       any arguments given on the command line, and by tracing the execution of this, it determines which non-essential packages were used  during
       the package building.  This can be useful in determining what the Build-Depends control fields should contain.  It does not determine which
       packages were used for the arch independent parts of the build and which for the arch dependent parts, not does	it  attempt  to  determine
       which versions of packages are required.  It should be able to run under fakeroot rather than being run as root, as fakeroot dpkg-genbuild-
       deps, or dpkg-genbuilddeps -rfakeroot.

       This program requires the build-essential package to be installed.  If it is not, please use dpkg-depcheck directly, with a command such as
	 dpkg-depcheck --all dpkg-buildpackage -us -uc -b -rfakeroot ...
       All this program itself does is essentially to run the command:
	 dpkg-depcheck -b dpkg-buildpackage -us -uc -b -rfakeroot [arg ...]

SEE ALSO

       The Debian Policy Manual, sections on Build-Depends etc., dpkg-depcheck(1) and fakeroot(1).

AUTHOR

       The original dpkg-genbuilddeps was written by Ben Collins <bcollins@debian.org>.  The current version is  a  simple  wrapper  around  dpkg-
       depcheck written by Bill Allombert <ballombe@debian.org>.  This manual page was written by Julian Gilbey <jdg@debian.org>.

DEBIAN
								 Debian Utilities					      DPKG-GENBUILDDEPS(1)