What is the value of [encoding system] on a regular page or in the context 
where you call ns_returnfile?

On Sep 25, 2011, at 0:00, AOLSERVER automatic digest system 
<lists...@listserv.aol.com> wrote:

> 
> tx everybody for the very useful input!   
> 
> Using ns_returnfp is (for several reasons) not an option for us. 
> 
> Recompiling tcl using 
> 
>                 --with-encoding utf-8 
> 
> did not resolve the problem. This time I used AOLserver 4.5.1 / tcl8.5.10. 
> 
> I gave it a try since some of our users do upload files using tools 
> such as WINSCP. Since these files would also need to be accessible 
> through the ]project-open[ file manager,  we need to come up
> with a slightly more complex solution to detect files with special 
> chars.
> 
> ./k 
> 
> 
> On 23/09/2011 1:32, Jeff Rogers wrote:
>> 
>> Another thing you could do is to set tcl's default encoding to utf-8, so 
>> that the filenames passed to Ns_ConnReturnFile are the same encoding as what 
>> the core tcl commands do. 
>> 
>> Set the default encoding with 
>> 
>> encoding system utf-8 
>> 
>> in some tcl file.  It's possible this could have some side effects. 
>> 
>> I'm trying to figure out what needs to be patched in the server for this to 
>> do the right thing, but encoding is a messy business. 
>> 
>> -J 
>> 
>> 
>> Jim Davidson wrote: 
>>> 
>>> Howdy, 
>>> 
>>> Looking at the code, ns_returnfile passes the filename through to the 
>>> core Ns_ConnReturnFile without any of the care that core Tcl does 
>>> handling filenames. You may be able to replace ns_returnfile with 
>>> ns_returnfp, passing a file handle returned from Tcl's open command 
>>> which should be smarter with filesystem encoding. 
>>> 
>>> The downside is that would bypass some of the smarts within the 
>>> underlying Ns_ConnReturnFile used by ns_returnfile: It appears to set 
>>> Last-Modified headers, optionally cache small files, mmap large files, 
>>> etc. All this may not matter if you're doing one-shot type work, e.g., 
>>> returning a custom crafted file for just one user, just once. 
>>> 
>>> -Jim 
>>> 
>>> 
>>> 
>>> 
>>> On Sep 22, 2011, at 3:27 PM, Peter Sadlon wrote: 
>>> 
>>>> Just a guess here, but by default, TCL is compiled with Latin-1 
>>>> encoding. This causes some issues when you are trying to do certain 
>>>> things in utf-8, even if you set all possible TCL config variables to 
>>>> use the UTF-8 charset. You could attempt to recompile TCL with 
>>>> 
>>>> 
>>>> --with-encoding utf-8 
>>>> 
>>>> 
>>>> But in the end, your final comment is correct, it is best to encode 
>>>> the filename, then you don't have to worry about a bunch of special cases. 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> ------------------------------------------------------------------------ 
>>>> Date: Thu, 22 Sep 2011 22:59:02 +0200 
>>>> From: klaus.hofed...@project-open.com 
>>>> <mailto:klaus.hofed...@project-open.com> 
>>>> Subject: [AOLSERVER] Fwd: AOLserver 4.5.0 - ns_returnfile does not 
>>>> find file - file name contains special chars 
>>>> To: AOLSERVER@LISTSERV.AOL.COM <mailto:AOLSERVER@LISTSERV.AOL.COM> 
>>>> 
>>>> Hi all 
>>>> at ]project-open[ we currently use AOLserver 4.5.0 with OpenACS 
>>>> 5.6.0 on CentOS release 5.3 (Final) 
>>>> 
>>>> We suddenly encountered the problem that ns_returnfile can't find a 
>>>> file which filname contains special chars such as 'umlaute' 
>>>> (ä, ö, etc.) 
>>>> 
>>>> --- 
>>>> convmv tells me that the file name is utf-8 encoded. 
>>>> --- 
>>>> 
>>>> Config.tcl has the standard settings: 
>>>> 
>>>> ns_param   HackContentType    1 
>>>> ns_param   DefaultCharset     utf-8 
>>>> ns_param   HttpOpenCharset    utf-8 
>>>> ns_param   OutputCharset      utf-8 
>>>> ns_param   URLCharset         utf-8 
>>>> 
>>>> --- 
>>>> Following CentOS locale: 
>>>> 
>>>> LANG=en_US.UTF-8 
>>>> LC_CTYPE="en_US.UTF-8" 
>>>> LC_NUMERIC="en_US.UTF-8" 
>>>> LC_TIME="en_US.UTF-8" 
>>>> LC_COLLATE="en_US.UTF-8" 
>>>> LC_MONETARY="en_US.UTF-8" 
>>>> LC_MESSAGES="en_US.UTF-8" 
>>>> LC_PAPER="en_US.UTF-8" 
>>>> LC_NAME="en_US.UTF-8" 
>>>> LC_ADDRESS="en_US.UTF-8" 
>>>> LC_TELEPHONE="en_US.UTF-8" 
>>>> LC_MEASUREMENT="en_US.UTF-8" 
>>>> LC_IDENTIFICATION="en_US.UTF-8" 
>>>> LC_ALL= 
>>>> 
>>>> --- 
>>>> File System is 'ext3' 
>>>> --- 
>>>> Files have been created with " exec /bin/cp $filename $dest_path" out of 
>>>> a tcl file or using 'touch/emacs' on OS level. Same results. 
>>>> --- 
>>>> 
>>>> We did have the problems using AOLserver 3.3 
>>>> Anybody an idea what the cause might be? 
>>>> 
>>>> Probably its better to always encode file names of 
>>>> uploaded filesto avoid trouble when creating multi-plattform 
>>>> applications. 
>>>> 
>>>> Thanks for your support! 
>>>> 
>>>> Klaus 
>>>> 
>>>> 
>>>> 
>>>> -- 
>>>> AOLserver -http://www.aolserver.com/ 
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>>> 
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>> 
>> 
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> 
> 
> -- 
> Klaus Hofeditz
> Co-Founder ]project-open[
> Dipl.-Inf.
> 
> ]po[ is Germanys most popular Open Source PM/ERP System
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> 
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