[luatex] feature request: absolute path of main tex file

[luigi scarso]

On Tue, Mar 10, 2015 at 8:48 PM, Élie Roux <elie.roux at telecom-bretagne.eu>
wrote:

> Dear All,
>
> For a project, I need to make a few convoluted checks and treatments
> before including some files. The problem comes when the path to this
> included file is relative, and when compilation occurs outside the
> directory of the main .tex file. In this case \jobname is just the
> filename, and lfs.currentdir() is the directory where the compilation
> occurs, but it's not enough to know where the main .tex file really is.
>
> Is there a way to get to know the absolute directory of the main .tex
> file in luatex (argument string parsing maybe?)? If not would it be
> reasonable to create one?
>
> Thank you,
> --
> Elie
>

can you try with
\directlua{
    print()
    print("currentdir:"..lfs.currentdir())
    texio.write_nl("")
    for k, v in ipairs(arg) do
        texio.write_nl(k .. " " .. v)
    end
    texio.write_nl("")

}



\bye
-- 
luigi
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