Pablo Rodriguez schrieb am 13.10.2020 um 17:33:
Dear list,

I have the following sample:

   \starttext
   \def\numbersfname
     {\cldcontext{string.match([[\env{fname}]], "\letterpercent d+")}}
   \ctxlua{ c = context.getvariable("environment", "fname") or "a" }
   \ctxlua{ d = [[\env{fname}]] }

   tex: \numbersfname\\
   \doifelse{}
       {123}{yes}{no}\\
   c: \cldcontext{c}\\
   \doifelse{\cldcontext{c:match("\letterpercent d+")}}
       {123}{yes}{no}\\
   d: \cldcontext{d}\\
   \doifelse{\cldcontext{d:match("\letterpercent d+")}}
       {123}{yes}{no}
   \stoptext

For compilation, I run the command:

   context --purgeall --arguments=fname={abc123} test-file.tex

These things are failing:

1. I don’t know how to get \numbersfname equal to "123". I don’t know
what I’m doing wrong.

2. Is there no Lua version of \getvariable{...}{...}?

There is no need because everything is stored in a Lua table.


%%%% begin example
\starttext

\startluacode

local argumentlist  = document.arguments.arguments
local argumenttable = utilities.parsers.settings_to_hash(argumentlist)

context(argumenttable["fname"])

\stopluacode

\stoptext
%%%% end example


I tested the example with:

    context --arguments="fname=abc123" <filename>


Wolfgang

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