# aldus Duncan Murdoch :
> In Unix-like systems, is it *always* safe to add a slash between a
> pathname and a filename?
Not if the path is empty:
    '' + '/' + 'file'  -> /file
is not the same as:
    '' + 'file'  -> file
Doubling of a slash has no effect (at least on Linux and HP-UX)
unless you are using kpsetools.
-- 
Peter Kleiweg