The R Project SVN R

Rev

Rev 59039 | Rev 67599 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 59039 Rev 62709
Line 1... Line 1...
1 
% File src/library/base/man/file.info.Rd
 1 
% File src/library/base/man/file.info.Rd
2 
% Part of the R package, http://www.R-project.org
 2 
% Part of the R package, http://www.R-project.org
3 
% Copyright 2009-11 R Core Team
 3 
% Copyright 2009-13 R Core Team
4 
% Distributed under GPL 2 or later
 4 
% Distributed under GPL 2 or later
5 
 
 5 
 
6 
\name{Sys.readlink}
 6 
\name{Sys.readlink}
7 
\alias{Sys.readlink}
 7 
\alias{Sys.readlink}
8 
\title{
 8 
\title{
Line 10... Line 10...
10 
}
 10 
}
11 
\description{
 11 
\description{
12 
  Find out if a file path is a symbolic link, and if so what it is
 12 
  Find out if a file path is a symbolic link, and if so what it is
13 
  linked to, \emph{via} the system call \code{readlink}.
 13 
  linked to, \emph{via} the system call \code{readlink}.
14 
 
 14 
 
15 
  Symbolic links are a Unix concept, not implemented on Windows.
 15 
  Symbolic links are a POSIX concept, not implemented on Windows but for
- 
 
 16 
  most filesystems on Unix-alikes.
16 
}
 17 
}
17 
\usage{
 18 
\usage{
18 
Sys.readlink(paths)
 19 
Sys.readlink(paths)
19 
}
 20 
}
20 
\arguments{
 21 
\arguments{
Line 24... Line 25...
24 
\value{
 25 
\value{
25 
  A character vector of the the same length as \code{paths}.  The
 26 
  A character vector of the the same length as \code{paths}.  The
26 
  entries are the path of the file linked to, \code{""} if the path is
 27 
  entries are the path of the file linked to, \code{""} if the path is
27 
  not a symbolic link, and \code{NA} if there is an error (e.g., the
 28 
  not a symbolic link, and \code{NA} if there is an error (e.g., the
28 
  path does not exist).
 29 
  path does not exist).
- 
 
 30 
 
- 
 
 31 
  On platforms without the \code{readlink} system call, all elements are
- 
 
 32 
  \code{""}.
29 
}
 33 
}
30 
\seealso{
 34 
\seealso{
- 
 
 35 
  \code{\link{file.symlink}} for the creation of symbolic links (and
31 
  \code{\link{file.symlink}}, \code{\link{file.info}}
 36 
  their Windows analogues), \code{\link{file.info}}
32 
}
 37 
}
33 
\keyword{file}
 38 
\keyword{file}