[Haskell-cafe] Filesystem questions

Henning Thielemann lemming at henning-thielemann.de
Sat Oct 13 17:40:06 EDT 2007

On Sat, 13 Oct 2007, Yitzchak Gale wrote:

> Andrew Coppin wrote:
>>> Is there a way to get rid of "." and ".." in the results?
> Brandon S. Allbery wrote:
>> Manual filtering is always required, whether C, Perl, Haskell, etc.
>> I dunno, maybe python filters them for you or something.
> Correct, Python filters them out. This is clearly the correct
> behavior. That is what is needed in the vast majority
> of cases, and it is still reasonably easy to deal
> with the unusual cases.
> It is too bad that Haskell is among the many languages
> that get this wrong.

me too

> Python also has os.walk, a very convenient functional (sort of)
> tool for recursing through directories. (It sounds trivial, but
> it is not, there are enough annoying details that this function
> saves huge amounts of time.) Very embarrassing that Haskell
> is missing this.

Maybe it is already in one of the "Haskell for scripting" packages?

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