Thorsten:

> Has anyone a solution for this or can shed some light on me??

Not a solution -- but a possible work around.

problem 1: counting beyond 2**32

Integer! doesn't work as you've noted.

Decimal! values in REBOL are precise to around 10**14, so you can safely (as 
far as I can tell) do precise arithmetic up to around that bound:
n: 0.0
for p 0 14 1 [
   loop 9 [
      n: 10 ** p + n
   ]
]
n

Problem 2: getting the file sizes

info? won't work as it returns the value in an integer. So you need to use an 
operating system call of some sort.

Under Windows with a version of REBOL that has CALL enabled, it's simple:

my-dir: copy ""
call/output "dir" my-dir

You can then parse out the file size column from the captured directory 
listing.

Sunanda.
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