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Re: Question on dpkg -l output.




Dan Ritter <dsr@xxxxxxxxxxxxxxxx> writes:

> Eduardo M KALINOWSKI wrote: 
>> On 21 de dezembro de 2018 20:24, aprekates wrote:
>> > In a new installed system with Debian 9.6
>> > 
>> > $ dpkg -l
>> > 
>> > will list only packages with 'ii' state and a couple of 'rc'.
>> > 
>> > But if i  run:
>> > 
>> > $ dpkg -l w*
>> > 
>> > i will get a dozen also of 'un' packages.
>> > 
>> > So i dont understand the logic of altering the output when
>> > i use a pattern . I would expect to see only 'ii' packages starting
>> > from the letter 'w' .
>> > 
>> > Also i dont understand why in a new system dpkg would know
>> > anything about uninstalled packages!
>> 
>> dpkg -l w*
>> will be expanded by the shell (if there is any file starting with w in the current directory). 
>> 
>> Have you tried
>> dpkg -l 'w*' 
>
> Let's see:
>
> dpkg -l w*
> dpkg-query: no packages found matching webplot.txt

<snip>

It's important to keep in mind that if there are no files matching the
wildcard expansion, the w* is passed as-is to the command.  So if I
create an empty directory, enter the directory, and

snowball:525$ dpkg -l w*

Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name                         Version              Architecture Description
+++-============================-====================-============-=============
un  w-bassman                    <none>               <none>       (no descripti
<long list snipped>

snowball:525$ touch w
snowball:526$ dpkg -l w*
dpkg-query: no packages found matching w

Yes, the OP does want in general to escape the w* as 'w*' (or other
methods), but his output is completely reasonable, especially in a fresh
install