[bug #17245] $(notdir foo/) should return . instead of blank

[anonymous]

URL:
  <http://savannah.gnu.org/bugs/?func=detailitem&item_id=17245>

                 Summary: $(notdir foo/) should return . instead of blank
                 Project: make
            Submitted by: None
            Submitted on: Monday 07/31/2006 at 21:11 UTC
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
       Component Version: 3.79.1
        Operating System: POSIX-Based
           Fixed Release: None

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Details:

Documentation for notdir says:

"A file name that ends with a slash becomes an empty string. This is
unfortunate, because it means that the result does not always have the same
number of whitespace-separated file names as the argument had; but we do not
see any other valid alternative."

Wrong. $(notdir foo/) should return . (a period).

This way, $(dir name)/$(notdir name) = name always.

A path ending in / is only really valid if it is a directory. If it is a
directory, then it contains . and .. so returning . should be valid if the
original path was valid. And foo/./bar is the same as foo/bar unless a
filesystem is screwed up.

So the . should be returned instead of nothing, to keep the number of
filenames the same, and to allow join to rejoin them correctly.







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