On 21 July 2010 21:13, Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote:
> On Thu, 2010-07-22 at 03:49 +0900, Mamoru Tasaka wrote:
>> > No epoch is equivalent to epoch zero. That's why it wasn't
>> displayed.
>>
>> To be clear:
>> By default "$ rpm -q" ($ rpm -qi) does not show epoch information even
>> if the rpm actually has epoch.
>
> That might be worth revising. The rpm queryformat expressions are not
> well documented on the man page (you have to know what the various tag
> headers are called for one thing, and it's not clear where to discover
> that short of reading the RPM book or the source).
The last paragraph of the section of `man rpm` dealing with
--queryformat says the following:
For example, to print only the names of the packages queried, you could
use %{NAME} as the format string. To print the packages name and dis-
tribution information in two columns, you could use %-30{NAME}%{DISTRI-
BUTION}. rpm will print a list of all of the tags it knows about when
it is invoked with the --querytags argument.
You can therefore list all the tags as follows:
[sam@samlap ~ ]$ rpm --querytags
ARCH
ARCHIVESIZE
BASENAMES
BUGURL
BUILDARCHS
BUILDHOST
BUILDTIME
<snip>
However it's left as an exercise for the reader to discover what the
non-obvious query tags actually mean.
--
Sam
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