Dear List, does the R module work? To be more specific "m-r.tex". I tried to run the test named as "Johan's test file" and got the result below -------------------- ! Undefined control sequence. system > tex > error on line 20 in file /home/erik/tmp/Glockner/t.tex: Undefined control sequence ... 10 11 \starttext 12 13 First a test of whether the workspace is persistent: 14 bla 15 16 \startR 17 a <- "bla" 18 b <- "blabla" 19 ls() 20 >> \stopR 21 22 One \R run ends, another begins. 23 24 \startR 25 ls() 26 \stopR 27 28 Now follows a hidden \R run which cleans the R workspace 29 30 \startRhidden \Rfile ^@-\TEXbufferfile {\Rbufferprefix \nofRfiles } <argument> texmfstart --ifchanged=\Rfile \space --direct R CMD BATCH -q --save --restore \ \executesystemcommand #1x-\ctxlua {os.execute([[#1 ]])} \stopR #-\doifmode {*\v!first }\runR \typefile {\Rfile .out} l.20 \stopR ------------------------------ I'm using: OS: Debian 7.0 64Bit context --version: mtx-context | current version: 2013.06.10 22:51 R --version: R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows" Copyright (C) 2012 The R Foundation for Statistical Computing ISBN 3-900051-07-0 Platform: x86_64-pc-linux-gnu (64-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under the terms of the GNU General Public License versions 2 or 3. For more information about these matters see http://www.gnu.org/licenses/. Any hint, even "doesn't work at the moment", will be welcome Thanks Erik