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From: Hans Hagen <pragma@wxs.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: call of string.match() inside \ctxlua{}
Date: Thu, 19 Jan 2017 17:31:56 +0100	[thread overview]
Message-ID: <48f9d2c1-2dfb-6028-1aee-2ef2f9a6ae7a@wxs.nl> (raw)
In-Reply-To: <CAPBmU9HUwOaCJqCub2WoEQXdkMYrrLkSaAiNZwPWyn2-tuJZjg@mail.gmail.com>

On 1/19/2017 5:03 PM, DesdeChaves wrote:
> Dear Sirs
>
> A have a string where I need to extract one number. But every time I run
> this code I found this error message: [ctxlua]:1: unfinished string near
> <eof>
>
> \usemodule[scancsv]
>
> \def\licann#1{% #1 - lesson number with strings
>     \ctxlua{parsedate=thirddata.scancsv.ParseCSVLine('#1','n.º');%
>      local Nlic=(parsedate[2]);%
>    Nlic=tonumber(string.match(Nlic, '%d+'));%

%d -> \letterpercent d

>      context(Nlic ~=0 and 1 or  0)}}
>
> \starttext
>
> \licann{"lesson nº456Alterada"}
>
> \stoptext
>
>
> thanks in advance

\startluacode
     function document.Licann(s)
         local d = string.match(s,"^.-nº(%d+)")
         local n = tonumber(d)
         context(n ~= 0 and 1 or  0)
     end
\stopluacode

\def\licann#1{\ctxlua{document.Licann([[#1]])}}



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      reply	other threads:[~2017-01-19 16:31 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-19 16:03 DesdeChaves
2017-01-19 16:31 ` Hans Hagen [this message]

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