Am 18.03.2014 um 22:09 schrieb Pablo Rodriguez <oi...@gmx.es>:
> On 03/18/2014 07:55 PM, Hans Hagen wrote:
>> On 3/18/2014 6:58 PM, Pablo Rodriguez wrote:
>>>
>>> \def\CheckUser{\cldcommand{sprint(tex.vrbcatcodes,os.resultof"whoami")}}
>>> \def\UserNumber{\processaction[\CheckUser][ousia=>1, unknown=>user unknown]}
>>>
>>> \starttext
>>> This is user \CheckUser\ with number \UserNumber.
>>> \stoptext
>>>
>>> What am I doing wrong here?
>>
>> you output vrbcatcodes strings while you test using ctx catcodesn
>>
>> of course i'd use lua for all of it:
>>
>> \startluacode
>> local user = ""
>> local users = {
>> ["oasi"] = 1,
>> }
>> function document.CheckUser()
>> user = os.resultof("whoami")
>> context.verbatim(user)
>> end
>>
>> function document.UserNumber(name)
>> context.verbatim(users[name or user] or 0)
>> end
>> \stopluacode
>>
>> \def\CheckUser {\ctxlua{document.CheckUser ()}}
>> \def\UserNumber{\ctxlua{document.UserNumber()}}
>>
>> \starttext
>> This is user \CheckUser\ with number \UserNumber.
>> \stoptext
>
> Many thanks for your reply, Hans.
>
> I’m afraid that the user doesn’t get recognized (I corrected the user
> name above).
The same applies to your examples because your test won’t work on our machines
;)
> Is there no way to do it with \processaction?
Only when you ensure the text you get from Lua has the normal cathode regime
and when
you special characters like \ in the result you have to convert them to
\letterbackslash etc.
which isn’t simpler than Hans solution. The advantage of Hans solution is that
you don’t
have to care about expansion.
Wolfgang
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