Mtime()
mtime(<object>)
Returns <object>'s last modification time as a time() string. Invoking the function without an argument is equal to mtime(me)
An object's mtime will be affected by any changes to the attributes, such as @desc, @va, or & attributes. Is is also affected by renaming the object.
Example
> think mtime(me)
Mon Oct 08 18:33:03 2001