function Deno.utime
utime(path: string | URL,atime: number | Date,mtime: number | Date,): Promise<void>
Changes the access (atime) and modification (mtime) times of a file
system object referenced by path. Given times are either in seconds
(UNIX epoch time) or as Date objects.
await Deno.utime("myfile.txt", 1556495550, new Date());
Requires allow-write permission.
Promise<void>