From: Hans Hagen <pragma@wxs.nl>
To: ntg-context@ntg.nl
Subject: Re: Howto use the lua io.read() function only in the first context run?
Date: Thu, 17 Mar 2016 13:41:00 +0100 [thread overview]
Message-ID: <56EAA5DC.4070301@wxs.nl> (raw)
In-Reply-To: <20160316214757.GA26276@nereid.neptune>
On 3/16/2016 10:47 PM, Romain Diss wrote:
> Hi,
>
> Le 15/03/2016, Hans Hagen a écrit
>> On 3/15/2016 9:04 PM, Romain Diss wrote:
>>> I want to write a cld document with some data read on the standard
>>> input. I'm using the lua io.read() function but it's launched at every
>>> context passes (depending on the case, it is launched 2 to 3 times).
>>>
>>> -- Minimum not working example
>>> local name = io.read()
>>> context.startdocument()
>>> context("Hello " .. name)
>>> context.stopdocument()
>>
>> you can test for environment.arguments.currentrun being "1"
btw, there's also
if tex.systemmodes["first"] then
> Thank you Hans... but it doesn't fully work. Now I only enter the input
> once (that's ok) but on the second run, the variable is not defined
> anymore. How can I keep it in the conTeXt memory?
>
> -- Minimum still not working example
> local name
> if environment.arguments.currentrun == "1" then io.read() end
> context.startdocument()
> context("Hello " .. name)
> context.stopdocument()
jobvariables.save("SomeName",value)
jobvariables.restore("SomeName")
beware, this also creates \SomeName
Hans
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prev parent reply other threads:[~2016-03-17 12:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-15 20:04 Romain Diss
2016-03-15 21:55 ` Hans Hagen
2016-03-16 21:47 ` Romain Diss
2016-03-17 8:11 ` Andreas Schneider
2016-03-17 12:41 ` Hans Hagen [this message]
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