From: Hans Hagen <pragma@wxs.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: Test for existence of a Ctx buffer by Lua
Date: Fri, 28 Jan 2011 16:11:43 +0100 [thread overview]
Message-ID: <4D42DCAF.20608@wxs.nl> (raw)
In-Reply-To: <op.vp0u4qrqtpjj8f@lpr>
On 28-1-2011 3:13, Procházka Lukáš Ing. - Pontex s. r. o. wrote:
> Hello,
>
> how to test by Lua whether a Ctx buffer exists?
\doifelsebuffer
> ---
> \startbuffer[A]
> Aaa aaa
> \stopbuffer
>
> \starttext
> \getbuffer[A]
> Test
> %\getbuffer[NonExisting]
> Vvv
> \stoptext
> ---
>
> To get something like 'context.buffers.A' -> no-nil and
> 'context.buffers.NonExisting' -> nil?
>
> Best regards,
>
> Lukas
>
>
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prev parent reply other threads:[~2011-01-28 15:11 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-28 14:13 Procházka Lukáš Ing. - Pontex s. r. o.
2011-01-28 15:11 ` Hans Hagen [this message]
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