Syntax:
file-write-date pathspec => date
Arguments and Values:
pathspec---a pathname designator.
date---a universal time or nil.
Description:
Returns a universal time representing the time at which the file specified by pathspec was last written (or created), or returns nil if such a time cannot be determined.
Examples:
(with-open-file (s "noel.text"
:direction :output :if-exists :error)
(format s "~&Dear Santa,~2%I was good this year. ~
Please leave lots of toys.~2%Love, Sue~
~2%attachments: milk, cookies~%")
(truename s))
=> #P"CUPID:/susan/noel.text"
(with-open-file (s "noel.text")
(file-write-date s))
=> 2902600800
Affected By:
The host computer's file system.
Exceptional Situations:
An error of type file-error is signaled if pathspec is wild.
An error of type file-error is signaled if the file system cannot perform the requested operation.
See Also:
Section 25.1.4.2 (Universal Time), Section 19.1.2 (Pathnames as Filenames)
Notes: None.
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