* [Caml-list] How do I create files with UTF-8 file names?
@ 2004-09-11 9:01 Mattias Waldau
2004-09-15 12:37 ` Yamagata Yoriyuki
2004-09-15 14:18 ` Peter Jolly
0 siblings, 2 replies; 5+ messages in thread
From: Mattias Waldau @ 2004-09-11 9:01 UTC (permalink / raw)
To: caml-list
I have a filename as an UTF-8 encoded string. I need to be able to
handle strange chars like accents, Asian chars etc.
Is there any way to create a file with that name? I only need it on Win32.
Or should I solve this problem by talking directly to the Win32-api? Has
anyone done this?
-- mattias
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Caml-list] How do I create files with UTF-8 file names?
2004-09-11 9:01 [Caml-list] How do I create files with UTF-8 file names? Mattias Waldau
@ 2004-09-15 12:37 ` Yamagata Yoriyuki
2004-09-15 12:54 ` Mattias Waldau
2004-09-15 14:18 ` Peter Jolly
1 sibling, 1 reply; 5+ messages in thread
From: Yamagata Yoriyuki @ 2004-09-15 12:37 UTC (permalink / raw)
To: mattias.waldau; +Cc: caml-list
From: Mattias Waldau <mattias.waldau@abc.se>
Subject: [Caml-list] How do I create files with UTF-8 file names?
Date: Sat, 11 Sep 2004 11:01:05 +0200
> I have a filename as an UTF-8 encoded string. I need to be able to
> handle strange chars like accents, Asian chars etc.
>
> Is there any way to create a file with that name? I only need it on Win32.
On my Debian/Linux machine, I can make a file with a Japanese (EUC-JP)
name just like an ASCII named file.
# let c = open_out "\164\198\164\185\164\200";;
val c : out_channel = <abstr>
# output_string;;
- : out_channel -> string -> unit = <fun>
# output_string c "\164\198\164\185\164\200";;
- : unit = ()
# close_out c;;
- : unit = ()
$ ls
てすと
Or am I missing something?
--
Yamagata Yoriyuki
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Caml-list] How do I create files with UTF-8 file names?
2004-09-15 12:37 ` Yamagata Yoriyuki
@ 2004-09-15 12:54 ` Mattias Waldau
2004-09-15 13:27 ` Yamagata Yoriyuki
0 siblings, 1 reply; 5+ messages in thread
From: Mattias Waldau @ 2004-09-15 12:54 UTC (permalink / raw)
To: Yamagata Yoriyuki; +Cc: caml-list
On windows I will get a file called "\164\198\164\185\164\200" instead
of the actual name.
-- Mattias
Yamagata Yoriyuki wrote:
> From: Mattias Waldau <mattias.waldau@abc.se>
> Subject: [Caml-list] How do I create files with UTF-8 file names?
> Date: Sat, 11 Sep 2004 11:01:05 +0200
>
>
>>I have a filename as an UTF-8 encoded string. I need to be able to
>>handle strange chars like accents, Asian chars etc.
>>
>>Is there any way to create a file with that name? I only need it on Win32.
>
>
> On my Debian/Linux machine, I can make a file with a Japanese (EUC-JP)
> name just like an ASCII named file.
>
> # let c = open_out "\164\198\164\185\164\200";;
> val c : out_channel = <abstr>
> # output_string;;
> - : out_channel -> string -> unit = <fun>
> # output_string c "\164\198\164\185\164\200";;
> - : unit = ()
> # close_out c;;
> - : unit = ()
>
> $ ls
> てすと
>
> Or am I missing something?
>
> --
> Yamagata Yoriyuki
>
>
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Caml-list] How do I create files with UTF-8 file names?
2004-09-11 9:01 [Caml-list] How do I create files with UTF-8 file names? Mattias Waldau
2004-09-15 12:37 ` Yamagata Yoriyuki
@ 2004-09-15 14:18 ` Peter Jolly
1 sibling, 0 replies; 5+ messages in thread
From: Peter Jolly @ 2004-09-15 14:18 UTC (permalink / raw)
To: mattias.waldau; +Cc: caml-list
Mattias Waldau wrote:
> I have a filename as an UTF-8 encoded string. I need to be able to
> handle strange chars like accents, Asian chars etc.
>
> Is there any way to create a file with that name? I only need it on Win32.
Windows uses UTF-16 for filenames, but provides a non-Unicode interface
for legacy applications; the standard open() function that OCaml's
open_out wraps appears to use the legacy interface. The precise
codepage this uses is system-dependent, and AFAIK there's no way for a
program to determine what it is without calling out to the Win32 API,
but you can be pretty sure it won't be UTF-8.
In other words, there is no reliable way to use a filename containing
non-ASCII characters with OCaml's standard library.
> Or should I solve this problem by talking directly to the Win32-api?
This is probably the best solution. A combination of CreateFileW() and
MultiByteToWideChar() should do what you want.
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2004-09-11 9:01 [Caml-list] How do I create files with UTF-8 file names? Mattias Waldau
2004-09-15 12:37 ` Yamagata Yoriyuki
2004-09-15 12:54 ` Mattias Waldau
2004-09-15 13:27 ` Yamagata Yoriyuki
2004-09-15 14:18 ` Peter Jolly
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