[texworks] LuaScript : permission denied

[Christophe Devalland]

Hi,
perhaps after an update to texworks Version 0.5 (launchpad) [r.dec380b,
24/03/15 04:24], I can't create a file anymore with a lua script.
My command :
local f = assert(io.open("giac.in","w"))
returns a "permission denied"
But the javascript command :
TW.writeFile("giac.in","toto");
creates the file without error.
So there is no permission problem for this directory.
I had no problem one week ago...
Any idea ?
Thank's
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