On Thu, Feb 08, 2018 at 04:26:16PM +0100, Henning Hraban Ramm wrote: > Am 2018-02-08 um 15:34 schrieb Rudolf Bahr <qu...@quasi.de>: > > > On Thu, Feb 08, 2018 at 09:30:48AM +0100, Thomas A. Schmitz wrote: > >> On 02/07/2018 06:39 PM, Rudolf Bahr wrote: > >>> Sometimes the necessity could arise to send data from lua to context > >>> and answers back to lua. I tried this by using "read" and > >>> "immediate\write" commands in context. These commands are described > >>> in chapter 21 and 22 of Donald E. Knuth's "The TeXbook". > >>> > >>> My question is: Do there exist better and more simple solutions? > >> > >> You can print (typeset) information from inside lua code with the "context" > >> function. Have you seen the manual cld-mkiv.pdf? It's in the minimals. > >> > >> Thomas > > > > Yes, thank you. I tried "context()" several times, but without success. > > Could be, that I have a false meaning how to use it: If I transfer data > > from context to lua and vice versa then in my imagination there must be > > variables in both languages where the sent data is to be found. > > > > With the use of "\immediate\write" and "\read" in context and the read and > > write > > functions in lua I know exactly from where to where the data goes. How to > > do > > the same with "context()"?
> \startluacode > > function SomeFunction() > context("Value") > end > > \stopluacode > > \def\MyVar{\ctxlua{SomeFunction()}} > YES! That's what I needed to get back data from lua to context! Many thanks to Hraban, Hans and Thomas for your help! Rudolf ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________