The R Project SVN R

Rev

Rev 71391 | Rev 74064 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 71391 Rev 71395
Line 1... Line 1...
1 
% File src/library/base/man/Sys.info.Rd
 1 
% File src/library/base/man/Sys.info.Rd
2 
% Part of the R package, https://www.R-project.org
 2 
% Part of the R package, https://www.R-project.org
3 
% Copyright 2011 R Core Team
 3 
% Copyright 2011-2016 R Core Team
4 
% Distributed under GPL 2 or later
 4 
% Distributed under GPL 2 or later
5 
 
 5 
 
6 
\name{Sys.setFileTime}
 6 
\name{Sys.setFileTime}
7 
\alias{Sys.setFileTime}
 7 
\alias{Sys.setFileTime}
8 
\title{
 8 
\title{
Line 19... Line 19...
19 
  \item{path}{
 19 
  \item{path}{
20 
    A length-one character vector specifying the path to a file or directory.
 20 
    A length-one character vector specifying the path to a file or directory.
21 
  }
 21 
  }
22 
  \item{time}{
 22 
  \item{time}{
23 
    A date-time of class \code{"\link{POSIXct}"} or an object which can
 23 
    A date-time of class \code{"\link{POSIXct}"} or an object which can
24 
    be coerced to one.  Fractions of a second are ignored.
 24 
    be coerced to one.  Fractions of a second may be ignored.
25 
  }
 25 
  }
26 
}
 26 
}
27 
\details{
 27 
\details{
28 
  This attempts sets the file time to the value specified.
 28 
  This attempts sets the file time to the value specified.
29 
 
 29 
 
30 
  On a Unix-alike it uses the system call \code{utimes} if that is
 30 
  On a Unix-alike it uses the system call \code{utimensat} if that is
31 
  available, otherwise \code{utime}.  On a POSIX file system it sets
 31 
  available, otherwise \code{utimes} or \code{utime}.  On a POSIX file
32 
  both the last-access and modification times.
 32 
  system it sets both the last-access and modification times.
- 
 
 33 
  Fractional seconds will set as from \R 3.4.0 on OSes with the
- 
 
 34 
  requisite system calls and suitable filesystems.
33 
 
 35 
 
34 
  On Windows it uses the system call \code{SetFileTime} to set the
 36 
  On Windows it uses the system call \code{SetFileTime} to set the
35 
  \sQuote{last write time}.  Some Windows file systems only record the
 37 
  \sQuote{last write time}.  Some Windows file systems only record the
36 
  time at a resolution of two seconds.
 38 
  time at a resolution of two seconds.
37 
}
 39 
}