basename/dirname changes warning. - R-devel

Tue, Oct 22, 2002 4:00 AM #

basename and dirname in R <= 1.6.1 are not vectorized, and they silently
ignored all elements after the first in their input.

This was not documented, and e.g. undoc assumed basename was vectorized.

For R-patched I have added a check, and giving an argument of length more
than one is there an error.

For R-devel I have vectorized the code, and so an input of length 0 will no
longer be an error.

Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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