Bruno Campanini wrote:

Can anybody convert this recursive procedure to a non-recursive one?

[snip]

The procedure is called, in the simplest way, with:
Call Permutation("string-to-permute").

On the one hand, yes, it can be unrolled, using some combination of control
structures.

On the other hand, *why* do you want it to be unrolled?

--
I am invincible, INVINCIBLE I say! *laughs*