and then adjusted a bit by me.
* Added tr and dirname from John Lombardo <john@deltanet.com>
* Added echo and test (from me).
+ * Added usleep contributed by Nicolas Pitre <nico@cam.org>
* tar wouldn't create directory entries that don't end in '/',
now it does (thanks to Avery Pennarun <apenwarr@worldvisions.ca>)
* Several fixes from Pavel Roskin <pavel_roskin@geocities.com>: