abs2rel("/foo/bar", "/foo/bar")

[Ken Williams <ken@mathforum.org>]

Hi,

David Golden recently reported a problem in Path::Class that I traced 
back to an odd behavior in File::Spec:

% perl -MFile::Spec::Functions=abs2rel -le 'print abs2rel("/foo/bar", 
"/foo/bar")'

%

In other words, it returns the empty string instead of something 
sensible like "." or whatever curdir() is on the current platform.  The 
substr()-nature of File::Spec rears its head again.

Since this problem has probably been around nearly forever, I thought 
I'd better ask here before fixing it, though.  Does anyone know of 
anything outside File::Spec relying on this?

  -Ken

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Follow-Ups from:

Ken Williams <ken@mathforum.org>

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