Re: [Haskell-cafe] Re: Unicode vs. System.Directory

Hello Andy, Thursday, May 27, 2010, 5:45:27 PM, you wrote: does it work both on linux and windows? i'm very interested to run executables of both kinds and look what features are really supported (i write file/archive manager and it seems that you have solved many problems that drive me crazy, such as displaying icons/filetypes, launching documents...)

Hi Arie,

If you don't mind binding code. You can try to use GIO APIs from my repository: http://patch-tag.com/r/AndyStewart/gio-branch/home

GIO APIs handle unicode filename every well, and cross-platform.

Cheers,

-- Andy

Arie Peterson writes:

...

After upgrading to haskell-platform-2010.1.0.0, with the improved unicode support for IO in ghc-6.12, I hoped to be able to deal with filenames containing non-ascii characters. This still seems problematic, though:

$ ls m?n?? $ ghci GHCi, version 6.12.1: http://www.haskell.org/ghc/ :? for help Prelude> :m +System.Directory Prelude System.Directory> getDirectoryContents "." >>= mapM_ putStrLn .. mAna?I± .

I hope this passes through the various email systems unharmed; on my terminal, the output of 'ls' contains shiny unicode characters, while 'ghci' garbles up the filename. (My locale is en_GB.utf8.)

Similar problems arise with functions such as 'copyFile', which refuses to handle filenames with non-ascii characters (unless wrapping it with encoding functions).

Is this a known problem? I searched ghc's trac, but there are no relevant bugs for the component 'libraries/directory'.

I have parts of a unicode-aware layer on top of System.Directory laying around somewhere. I was rather hoping to ditch it, but I can polish it and put it on hackage, if people are interested.

Kind regards,

Arie

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