Finding absolute path from relative.

[Bob Rossi]

On Sun, Sep 28, 2003 at 10:25:38PM -0400, Daniel Jacobowitz wrote:
> On Sun, Sep 28, 2003 at 10:21:28PM -0400, Bob Rossi wrote:
> > Hi,
> > 
> > I am thinking about the algorithm required to find the absolute path to
> > a source file given the relative path and the output from 'show dir'.
> > 
> > Is it really as easy as this,
> > 
> > for I in 'show dir' # for each directory in show dir
> >    if $I/relative_path exists 
> >       break; # Found absolute path.
> > 
> > Or does it get more complex and obfuscated?
> 
> Well, often the input file has a specified directory.  That gets tried
> first.
> 
> Anyway, there's a good comment or two about this in the source code...

Could you get me started in the right direction? ( ex. files of interest )

Either, I could write an MI command that would take a relative source
path and convert it into an absolute path, or I could write a function
in my front end that does the work.

I personally think an MI command could eventually be more helpful to
everyone.

Bob Rossi