Function

Summary

Sets the modification and access times of a file.

Package

system

Signature

set-file-dates file &key creation modification access

Arguments

file

A pathname designator.

creation

A non-negative integer, or nil .

modification

A non-negative integer, or nil .

access

A non-negative integer, or nil .

Description

The function set-file-dates sets the modification and access times of the file file for each of modification and access that is non-nil.

On Microsoft Windows, if creation is non-nil, the creation time of the file is also set. creation is ignored on other platforms.

Each keyword argument is interpreted as a universal time representing the time to set, unless it is nil in which case the corresponding time for file is not changed. Each keyword argument has default value nil .

An error of type file-error is signalled on failure.

See also

open