yap (yet another prolog ) ubuntu package

[Kjetil brinchmann Halvorsen]

see below.

On Tue, Oct 5, 2010 at 14:05, Knight <knightotp at gmail.com> wrote:
> On Tue, 2010-10-05 at 13:06 -0400, Kjetil brinchmann Halvorsen wrote:
>> Well, the question is maybe more general. There seems to be something
>> I do not understand
>> about the ubuntu packaging system.
>>
>> I installed (using synaptic) the package
>> yap 5.1.3-4     The YAP-yet another prolog system.
>>
>> Writing at the command line I get
>>
>> kjetil at kjetil-laptop:~$ yap
>> % Restoring file /usr/lib/Yap/startup
>> YAP version Yap-5.1.3
>>
>> but the command
>>   find /usr/bin yap
>> returns
>> find: `yap': No such file or directory
>>
>> although synaptic   --- propoerties --- installed files
>> have /usr/bin/yap
>>
>> I do not understand this! Where is yap?
>>
>> (I need this to tell emacs where it is)
>>
>> Kjetil
>
> I would recommend the following:
>
> which yap
> or
> whereis yap
>
> Find will do, but these are made for this kind of work.
>
> What I meant:
> If yap was in /usr/bin you didn't have too look it up with "find" IMHO.

Thanks, I did'nt know about whereis!
Another mystery: Opening /usr/bin in nautilus, I dont find yap, but
yes, it is there.
Why?

Kjetil

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