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% File src/library/base/man/basename.Rd
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% File src/library/base/man/basename.Rd
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% Part of the R package, http://www.R-project.org
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% Part of the R package, http://www.R-project.org
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% Copyright 1995-2009 R Core Team
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% Copyright 1995-2013 R Core Team
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% Distributed under GPL 2 or later
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% Distributed under GPL 2 or later
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\name{basename}
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\name{basename}
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\alias{basename}
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\alias{basename}
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\alias{dirname}
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\alias{dirname}
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\section{Behaviour on Windows}{
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\section{Behaviour on Windows}{
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  On Windows this will accept either \code{\\} or \code{/} as the path
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  On Windows this will accept either \code{\\} or \code{/} as the path
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  separator, but \code{dirname} will return a path using \code{/}
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  separator, but \code{dirname} will return a path using \code{/}
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  (except if on a network share, when the leading \code{\\\\} will be
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  (except if on a network share, when the leading \code{\\\\} will be
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  preserved).  Expect these only to be able to handle complete
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  preserved).  Expect these only to be able to handle complete
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  paths, and not for example just a share or a drive.
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  paths, and not for example just a network share or a drive.
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  UTF-8-encoded dirnames not valid in the current locale can be used.
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  UTF-8-encoded path names not valid in the current locale can be used.
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}
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}
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\note{
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\note{
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  These are not wrappers for the POSIX system functions of the same
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  These are not wrappers for the POSIX system functions of the same
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  names: in particular they do \strong{not} have the special handling of
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  names: in particular they do \strong{not} have the special handling of
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  the path \code{"/"} and of returning \code{"."} for empty strings in
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  the path \code{"/"} and of returning \code{"."} for empty strings.
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  \code{basename}.
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}
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}
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\value{
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\value{
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  A character vector of the same length as \code{path}.  A zero-length
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  A character vector of the same length as \code{path}.  A zero-length
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  input will give a zero-length output with no error.
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  input will give a zero-length output with no error.
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  Paths not containing any separators are taken to be in the current
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  directory, so \code{dirname} returns \code{"."}.
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  If an element of \code{path} is \code{\link{NA}}, so is the result.
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  If an element of \code{path} is \code{\link{NA}}, so is the result.
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  \code{""} is not a valid pathname, but is returned unchanged.
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}
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}
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\seealso{
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\seealso{
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  \code{\link{file.path}}, \code{\link{path.expand}}.
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  \code{\link{file.path}}, \code{\link{path.expand}}.
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}
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}
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\examples{
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\examples{