behaviour change in getDirectoryContents in GHC 7.2?

Simon Marlow marlowsd at gmail.com
Thu Nov 10 12:28:40 CET 2011


On 09/11/2011 16:42, John Millikin wrote:
> On Wed, Nov 9, 2011 at 08:04, Simon Marlow<marlowsd at gmail.com>  wrote:
>> Ok, I spent most of today adding ByteString alternatives for all of the
>> functions in System.Posix that use FilePath or environment strings.  The
>> Haddocks for my augmented unix package are here:
>>
>> http://community.haskell.org/~simonmar/unix-with-bytestring-extras/index.html
>>
>> In particular, the module System.Posix.ByteString is the whole System.Posix
>> API but with ByteString FilePaths and environment strings:
>>
>> http://community.haskell.org/~simonmar/unix-with-bytestring-extras/System-Posix-ByteString.html
>
> This looks lovely -- thank you.
>
> Once it's released, I'll port all my libraries over to using it.
>
>> It has one addition relative to System.Posix:
>>
>>   getArgs :: IO [ByteString]
>
> Thank you very much! Several tools I use daily accept binary data as
> command-line options, and this will make it much easier to port them
> to Haskell in the future.
>
>> Let me know what you think.  I suspect the main controversial aspect is that
>> I included
>>
>>   type FilePath = ByteString
>>
>> which is a bit cute but might be confusing.
>
> Indeed, I was very confused when I saw that in the docs. If it's not
> too much trouble, could those functions accept/return ByteString
> directly?

I've done a search/replace and called it RawFilePath.  Ok?

Cheers,
	Simon




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