import { getftime } from "https://deno.land/x/denops_std@v6.4.0/function/mod.ts";
The result is a Number, which is the last modification time of
the given file {fname}. The value is measured as seconds
since 1st Jan 1970, and may be passed to strftime(). See also
localtime() and strftime().
If the file {fname} can't be found -1 is returned.
Can also be used as a method:
GetFilename()->getftime()
Parameters
denops: Denops