From: Hans Hagen <j.hagen@xs4all.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: [NTG-context] Fwd: expansion and variables
Date: Wed, 17 Jul 2024 23:10:47 +0200 [thread overview]
Message-ID: <9b39d67e-f4bd-4261-a2ea-3f0a7d4305be@xs4all.nl> (raw)
In-Reply-To: <fccac199-96e2-4bc8-bf04-5d6b0012afbe@xs4all.nl>
-------- Forwarded Message --------
Subject: Re: [NTG-context] expansion and variables
Date: Wed, 17 Jul 2024 23:10:23 +0200
From: Hans Hagen <j.hagen@xs4all.nl>
To: Henning Hraban Ramm <texml@fiee.net>
On 7/17/2024 10:40 PM, Henning Hraban Ramm wrote:
> Something’s wrong with my code.
> I’ll try to keep a status to output a certain marker only the first time
> after a change. With the code below I get it never.
>
> I guess it’s an expansion problem again, but I didn’t find the right
> places for \expanded – if I use it in front of every \getvariable, I get
> the output every time.
>
> Please help…
> Hraban
\setevariable
>
> \setvariable{Thing}{Status}{1}
> \setvariable{Thing}{PreviousStatus}{0}
>
> \define[1]\startThing{
> \setvariable{Thing}{PreviousStatus}{\getvariable{Thing}{Status}}
> \setvariable{Thing}{Status}{#1}
> <<< %
>
> \doifnot{\getvariable{Thing}{Status}}{\getvariable{Thing}{PreviousStatus}}{%
> \bold{\getvariable{Thing}{Status}}%
> }%
> }
>
> \def\stopThing{>>>\par}
>
> \starttext
>
> \startThing{A} a \stopThing
> \startThing{B} b \stopThing
> \startThing{A} c \stopThing
> \startThing{C} d \stopThing
> \startThing{C} e \stopThing
> \startThing{A} f \stopThing
> \startThing{A} g \stopThing
> \startThing{A} h \stopThing
>
> \stoptext
> ___________________________________________________________________________________
> If your question is of interest to others as well, please add an entry
> to the Wiki!
>
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> wiki : https://wiki.contextgarden.net
> ___________________________________________________________________________________
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If your question is of interest to others as well, please add an entry to the Wiki!
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next parent reply other threads:[~2024-07-17 21:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fccac199-96e2-4bc8-bf04-5d6b0012afbe@xs4all.nl>
2024-07-17 21:10 ` Hans Hagen [this message]
2024-07-18 6:33 ` [NTG-context] " Henning Hraban Ramm
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