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Re: NSNumberFormatter negative and NSWindowsLatin1
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Re: NSNumberFormatter negative and NSWindowsLatin1


  • Subject: Re: NSNumberFormatter negative and NSWindowsLatin1
  • From: Totte Alm <email@hidden>
  • Date: Sat, 09 Aug 2014 23:10:33 +0200

7 aug 2014 kl. 22:28 skrev Peter Edberg <email@hidden>:

> This is intentional. The character is ‘−’ U+2212 MINUS SIGN with UTF-8 representation 0xE2 0x88 0x92. Many locales prefer the proper Unicode minus sign for negative numbers, instead of using U+002D HYPHEN-MINUS.
>
> Seems like the bug here is trying to save the file as WindowsLatin1.

The problem is that this worked before 10.9 and the issue is that a customer of my client needs a WindowsLatin1 file (I don’t know why, but that is the requirement), and I use NSNumberFormatter to format numbers fetched from a database placing them into a a text file, and this is done by a cmdline tool fired off from the main app.

7 aug 2014 kl. 23:02 skrev Jens Alfke <email@hidden>:

> - (NSData *)dataUsingEncoding:(NSStringEncoding)encoding allowLossyConversion:(BOOL)lossy;

I will try that (how did I miss that call??)

Thanks,

/Totte


> - Peter E
>
> On Aug 7, 2014, at 12:00 PM, email@hidden wrote:
>> Message: 5
>> Date: Thu, 07 Aug 2014 08:43:04 +0200
>> From: Totte Alm <email@hidden>
>> To: "email@hidden List" <email@hidden>
>> Subject: NSNumberFormatter negative and NSWindowsLatin1
>> Message-ID: <email@hidden>
>> Content-Type: text/plain;	charset=windows-1252
>>
>> Hello,
>>
>>
>> In 10.9 I (or a client really) just stumbled upon a weirdness regarding NSNumberFornatter (Swedish default settings), where a negative number is transformed to a string and that string is later written to a file using NSString Write..
>>
>> The - sign (minus) that NSNumberFormatter puts into the string is a special UTF-8 character /u8892 and it won’t convert when saving the file as WindowsLatin1, NSString write giving an error.
>>
>> Workaround:
>>
>> [doubleFormatter setMinusSign:@"-"];
>>
>> Anyone knows if this is intentional or just a bug that needs to be filed on radar?
>>
>> / Totte
>

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References: 
 >Re: NSNumberFormatter negative and NSWindowsLatin1 (From: Peter Edberg <email@hidden>)

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