[NTG-context] Problem calling system

[Procházka Lukáš Ing. - Pontex s. r. o.]

> \ctxlua{os.execute(lua -e "require 'lfs'")}

... Gives:

"
...
fonts           > latin modern fonts are not preloaded
languages       > language en is active
! LuaTeX error <main ctx instance>:1: attempt to call global 'e' (a nil value)
stack traceback:
         <main ctx instance>:1: in main chunk.

system          > tex > error on line 4 in file C:/Lukas/ConTeXt/TestDDv/t1.mkiv: LuaTeX error  ...

  1     %\write18{lua -e "require 'lfs'"}
  2     %
  3
  4 >>  \ctxlua{os.execute(lua -e "require 'lfs'")}
  5     %\ctxlua{os.execute([[lua -e "require 'lfs'"]])}
  6
  7     \starttext
  8       A
  9     \stoptext
10

l.4 \ctxlua{os.execute(lua -e "require 'lfs'")}
...
"

If I try:

\ctxlua{os.execute([[lua -e "require 'lfs'"]])}

I get error:

"
...
languages       > language en is active
lua: (command line):1: '=' expected near 'lfs'
{c:/ConTeXt/tex/texmf-context/fonts/map/pdftex/context/mkiv-base.map}
...
"

(Like if "'" were gobbled...)

>
> btw, if you run texlua you get lfs for free.

OK, this is just a sample. I need to use another file, in fact.

Lukas


-- 
Ing. Lukáš Procházka [mailto:LPr at pontex.cz]
Pontex s. r. o.      [mailto:pontex at pontex.cz] [http://www.pontex.cz]
Bezová 1658
147 14 Praha 4

Tel: +420 244 062 238
Fax: +420 244 461 038
-------------- next part --------------
A non-text attachment was scrubbed...
Name: t1.mkiv
Type: application/octet-stream
Size: 194 bytes
Desc: not available
URL: <http://www.ntg.nl/pipermail/ntg-context/attachments/20120514/4c5f609d/attachment.obj>