Re: [.tuc] oddity when storing a table

[Philipp Gesang <gesang@stud.uni-heidelberg.de>]

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···<date: 2012-09-16, Sunday>···<from: Hans Hagen>···

> On 16-9-2012 19:17, Philipp Gesang wrote:
> >Bug?
> 
> no, feature. job variables are just key/values and accessible at the
> tex end (you store 'works too' in 'bar')

Ok, I wasn’t aware of this restriction.

> if you want arbitrary data to be stores you need to used datasets,
> as explained in
> 
> http://wiki.contextgarden.net/Command/definedataset

Hmm, the wiki only covers the TeX macro interface whilst I am
mainly concerned with passing stuff right from the Lua end.

From my reading of core-dat.lua I gather that there is not really
a way to dump any Lua table (array or hash or mixed) via
datasets. Except directly writing to “tobesaved”.

·······································································
\starttext

\startluacode
  local n, t, d = job.datasets.setdata{
    name  = "not enough!!!11!1! grr!",
    delay = interfaces.variables.no,
    data  = "a=b,c=d,1=foo,2=bar,nested={second={third=whatever}}",
  }

  job.datasets.tobesaved.works_for_me = {
    this = { does = { "work", "for", nested = { "tables", "!", {{}} } } }
  }

  table.print(job.datasets.getdata("works_for_me", "this"), "this")
\stopluacode

\stoptext
·······································································

I hesitate to wikify the latter, though.

Philipp



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