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From: Wolfgang Schuster <wolfgang.schuster.lists@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Cc: Pablo Rodriguez <oinos@gmx.es>
Subject: Re: need help comparing strings
Date: Tue, 13 Oct 2020 19:14:02 +0200	[thread overview]
Message-ID: <0ba2a375-9ceb-2371-8c73-141b2f7a21dd@gmail.com> (raw)
In-Reply-To: <181257db-e6c0-177d-9211-4b6d4e418dd6@gmx.es>

Pablo Rodriguez schrieb am 13.10.2020 um 19:06:
> On 10/13/20 5:54 PM, Aditya Mahajan wrote:
>> On Tue, 13 Oct 2020, Pablo Rodriguez wrote:
>>> [...]
>>> Could anyone explain me what I’m missing here?
> Many thanks for your reply, Aditya.
>
>> I find it simpler to write macros where there is clean communicating
>> between tex and lua. For example:
>> [...]
>>      \define[1]\numbersfname
>>          {\cldcontext{userdata.numbersfname([==[#1]==])}}
> This is the first time I see that way of wrapping an argument.
>
> In any case, I cannot compare to a number:
>
>    \startluacode
>      userdata = userdata or {}
>      function userdata.numbersfname(name)
>          return string.match(name, "%d+")
>      end
>    \stopluacode
>
>    \define[1]\numbersfname
>        {\cldcontext{userdata.numbersfname([==[#1]==])}}

Untested:

\defineexpandable[1]\numbersfname
   {\cldcontext{userdata.numbersfname([==[#1]==])}}

Wolfgang

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  reply	other threads:[~2020-10-13 17:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-13 15:33 Pablo Rodriguez
2020-10-13 15:54 ` Aditya Mahajan
2020-10-13 17:06   ` Pablo Rodriguez
2020-10-13 17:14     ` Wolfgang Schuster [this message]
2020-10-13 17:38       ` Pablo Rodriguez
2020-10-13 16:14 ` Wolfgang Schuster
2020-10-13 17:09   ` Pablo Rodriguez
2020-10-13 17:16 ` Pablo Rodriguez

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