saving package list

[Willy K. Hamra]

Derek Broughton wrote:
> Martin Laberge wrote:
> 
>> On Tuesday 26 August 2008 13:20:46 Willy K. Hamra wrote:
>>> i found a lot of websites explaining how to save the list of installed
>>> packages, to be used after a fresh install for example. there is a lot
>>> of packages that i don't want to install, i can simply delete their
>>> names from the list, but their dependencies will still get installed,
>>> and as far as i understand, apt will consider them manually installed
>>> packages, so i don't think "apt-get autoremove" will remove them, or am
>>> i wrong? in which case, it's all i need to know :P
>> In fact, what you (and I too) would want is a list of APPLICATIONS
>> installed, without all their dependencies. Not a list of Packages.
>>
>> If someone know a method to do this, I would use it too...
> 
> I post this just about monthly.  IF you do installs with aptitude (I can't
> vouch for it working any other way):
> 
>  aptitude search '~i !~M' | tr -s ' ' | cut -f 2 -d ' ' 
> 
> will return a lovely list of all the _manually_ installed packages - no
> dependencies.
> 
> The first part says show the Installed (Manual) packages, 'tr' eliminates
> excess spaces, and cut finds just the second word (the package name).
unfortunately i don't use aptitude, i use apt-get, but now i have a
reason to use aptitude in the upcoming release, i thought the fact that
apt-get these days can autoremove unused dependencies (i heard that it
din't in the past) makes it as good as aptitude, apparently aptitude
still has some more functionalities.
i guess i'll have to dig through the lists and remove the stuff i think
i won't need anymore along with their dependencies and then save the
list. unless there is someone on the list who knows how to do it in a
neater way?

-- 
Willy K. Hamra
Manager of Hamra Information Systems
Co. Manager of Zeina Computer & Billy Net
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