Hello Reinhard,
> these are two different questions. First, the #! line works
> everywhere except on Windows. It finds the interpreter (not your
> script) in PATH. There is no reasonable alternative on Windows. You
> have to associate filename extensions with interpreters in the registry.
> If you are using TeX Live, you can start your script from a wrapper
> instead.
OK, thanks.
> Try this:
> -------------------------------------------------------
> #!/usr/bin/env texlua
>
> dirname, filename = string.match(arg[0], '(.*[/\\])(.*)')
>
> print('dirname='..dirname)
> print('filename='..filename)
> -------------------------------------------------------
>
> it works as expected on Unix:
>
On every Unix? I once tried this with sh (echo $0) and if I remember correctly
it gave me a relative path on solaris and an absolute path on linux.
> You will certainly get similar results in TeX Live
I don't use TeXlive in this case, just one LuaTeX binary for luatex and texlua.
> because the
> location of your script is determined by the wrapper, and hence by
> kpathsea, which returns the full path. Please note that dirname found
> by string.match() in the example above contains the leading directory
> separator already and that backslashes are supported too.
So I assume from your answer that arg[0] in my lua skript is set by kpathsea,
and it contains the full path. So I can find out where I am by looking at it?
Thanks again
Patrick
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