taco at elvenkind.com
Mon Mar 1 18:50:09 CET 2010
Elie Roux wrote:
> during some scripting for a font database to be used with LuaLaTeX, I
> encountered two difficulties (Unix-only) :
> - I couldn't know if I had the permission or not to write on a file:
> lua.attributes() gives me uid, gid and the persmission string, but this
> is unusable as I don't know what is the uid of the program, and I know
> even less if I'm in a group that fits the permissions...
Why not just do io.open(,"w") ? if it fails, you couldn't write. And
such a test will do the 'right thing' if the disk is full or mounted
> - I couldn't know where the symlinks were pointing to
lfs has lfs.symlinkattributes() for this, but I have never
used it so I am not sure how useful that is.
> A solution to these two problems would be the inclusion of the posix
Libraries that do not run on win32 are definitely out of the question.
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