On Mon, Dec 19, 2005 at 01:42:19PM -0600, Steve Harris wrote:
> What I'm after is something like:
> -- (psuedo-code)
> [(b,c,d) |
> b <- getDirectoryContents a_dir,
> c <- getDirectoryContents (a_dir ++ "/" ++ b),
> d <- getDirectoryContents (a_dir ++ "/" ++ b ++ "/" ++ c) ],
Check out Control.Monad.List.ListT, which combines list non-determinism
with another monad. Eg,
ListT (getDirectoryContents a_dir) :: ListT IO FilePath
Andrew
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