Re: How to detect symlinks?

[Jeff Pohlmeyer <yetanothergeek@...>]

On Sun, Apr 29, 2012 at 11:35 PM, Rena <hyperhacker@gmail.com> wrote:

> How with Lua/LFS can I tell if a file is a symlink? LFS has
> symlinkattributes, but that only gives information about the link
> itself, with no apparent way to tell if the file is actually a link or
> not. (Given a non-symlink, it behaves identically to lfs.attributes.)


I think this might work:

function IsSymLink(filename)
  local a = lfs.attributes(filename)
  local s = lfs.symlinkattributes(filename)
  return a and s and ( a.dev ~= s.dev or a.ino ~= s.ino )
end

 - Jeff