OT: bash question

[Bruno Wolff III]

On Mon, Jan 31, 2011 at 12:55:36 -0800,
  Mike Wright <mike.wright at mailinator.com> wrote:
> 
> I'm trying to create a self-contained app in that it is both a data 
> repository and also the location of its binary (BIN/runme, DATA/) so 
> that the application could be installed anywhere in user space and still 
> be able to find itself.  A link in /usr/local/bin (wherever) would point 
> to the install location.

That rules out doing some things with the fd directly, since that fd doesn't
point to the data.

If you know the program is being run via a sym link, then the readlink based
suggestions sound like they will do what you want.