$ret.err, $ret.owner, $ret.group, $ret.size, $ret.isrd, $ret.iswr, $ret.isex, $ret.mode, $ret.atime, $ret.mtime, $ret.ctime, $ret.depth, $ret.symlink, $ret.sympath, $ret.nlinks, $ret.devtype, $ret.dev, $ret.ino, $ret.blks, $ret.blksize, $ret.attrib

These are set by the <stat> function (p. ) to contain various information about the file(s) requested.