Set File Time
Uses system calls to set the times on a file or directory.
A length-one character vector specifying the path to a file or directory.
A date-time of class
"POSIXct"or an object which can be coerced to one. Fractions of a second may be ignored.
This attempts sets the file time to the value specified.
On a Unix-alike it uses the system call
utimensat if that is
utime. On a POSIX file
system it sets both the last-access and modification times.
Fractional seconds will set as from R 3.4.0 on OSes with the
requisite system calls and suitable filesystems.
On Windows it uses the system call
SetFileTime to set the
‘last write time’. Some Windows file systems only record the
time at a resolution of two seconds.
Logical, invisibly. An indication if the operation succeeded.