* counter in ConTeXt
@ 2006-12-14 18:07 Michael
2006-12-15 8:42 ` Aditya Mahajan
0 siblings, 1 reply; 2+ messages in thread
From: Michael @ 2006-12-14 18:07 UTC (permalink / raw)
How do I use counter in ConTeXt?
Specifically, I use this to define '\startproblem\stopproblem'.
\defineenumeration[problem][location=top,text=Problem,%
between=\blank,before=\blank,after=\page]
I want to say \totalnumberofproblems, in the beginning of the exam, like
\totalnumberofpages. How do I do that?
Thanks,
Michael
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: counter in ConTeXt
2006-12-14 18:07 counter in ConTeXt Michael
@ 2006-12-15 8:42 ` Aditya Mahajan
0 siblings, 0 replies; 2+ messages in thread
From: Aditya Mahajan @ 2006-12-15 8:42 UTC (permalink / raw)
On Thu, 14 Dec 2006, Michael wrote:
>
> How do I use counter in ConTeXt?
>
> Specifically, I use this to define '\startproblem\stopproblem'.
>
> \defineenumeration[problem][location=top,text=Problem,%
> between=\blank,before=\blank,after=\page]
>
> I want to say \totalnumberofproblems, in the beginning of the exam, like
> \totalnumberofpages. How do I do that?
You need to have a two pass mechanism for this. Save the number of
problems in the tui/tuo file in the first run and read the
corresponding values from the file in the second run. Here is a simple
example
\defineenumeration[problem][location=top,text=Problem,%
between=\blank,before=\blank]
\def\nofproblems{0}
\definetwopasslist {problems}
\def\checkproblems
{\gettwopassdata{problems}
\iftwopassdatafound
\xdef \nofproblems {\twopassdata}
\fi
\global\let\checkproblems\relax}
\starttext
\checkproblems
This paper has \nofproblems\ Problems.
\dorecurse{10}
{\startproblem test \stopproblem}
\savetwopassdata {problems} {\nofproblems} {\getnumber[problem]}
\stoptext
HTH,
Aditya
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