Re: Suggestion for Lua 5.3.0 -- require search paths (and mathlib comments)

[Philipp Janda <siffiejoe@...>]

Am 07.04.2014 20:06 schröbte Petite Abeille:
> On Apr 7, 2014, at 12:10 PM, Tony Papadimitriou <tonyp@acm.org> wrote:
>
> > However, I think the arg[0] 'trick' does not work with redirection:
>
> What’s ‘redirection’ in this context?

    lua < file.lua

More importantly, IMHO, this trick also fails if sym- or hard links to 
the Lua script are involved ...
And this is probably why a `require_here` will always be a hack: There 
is no unique file location. There is data and zero or more file paths 
that refer to that data.

> (Keep in mind that a Lua chunk doesn’t have to be file based, e.g. heredoc or dynamically generated code or whatever is not file based…)

Philipp