Re: walking a directory tree efficiently

> There's no iteratee/fold-based IO system yet.

What about

http://sites.google.com/site/haskell/notes/lazy-io-considered-harmful-way-to-go-left-fold-enumerator
?

It's not on hackage, but at least it's public domain.

Oleg, of course.

2009/1/13 Don Stewart <dons <at> galois.com>:
> manlio_perillo:
>> Hi.
>>
>> During a tentative (quite unsuccessfull) to convert a simple Python
>> script that prints on stdout a directory and all its subdirectory [1] in
>> a good Haskell (mostly to start to do real practice with the language),
>> I came across this blog post:
>> http://blog.moertel.com/articles/2007/03/28/directory-tree-printing-in-haskell-part-three-lazy-i-o
>>
>>
>> Since recently I read about alternatives to lazy IO (like iteratee), I'm
>> curious to know if a flexible, efficient and safe alternative exists,
>> for the task of display a directory tree.
>>
>>
>> [1] http://paste.pocoo.org/show/99523/
>>
>
> If you can do it with strict IO in Python, do the same thing in Haskell
> with System.IO.Strict. It should be mechanical to translate Python
> programs directly into naive IO-based Haskell using strict IO. Boring,
> but mechanical.
>
> There's no iteratee/fold-based IO system yet.
>
> -- Don
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