code:

---

$file=right(getfiletime("testi.txt"),8)
$time=@time
? "$file - $time"

$file=3600*val(left($file,2))+60*val(substr($file,4,2))+val(right($file,2))
$time=3600*val(left($time,2))+60*val(substr($time,4,2))+val(right($time,2))

$fileage=$time-$file
"file age in seconds:"
?$fileage
if $fileage>300
 ?"so, it's older than 5 minutes..."
else
 ? "it's pretty fresh file, less than 5 minutes."
endif

---