From: Brian Candler <b.candler@...>
Date: 2010-06-25T16:57:10+09:00
Subject: Re: marshalled data in 1.9

Roger Pack wrote:
> 
>>> But I had assumed since I was reading and writing in the same mode it
>>> would work all right. Was I wrong?
>>> -r
>> 
>> You almost certainly want the 'rb' and 'wb' modes on Windows to read
>> and write in binary, rather than text, mode.
> 
> Hmm.  The problem may occur when I read the file in--because I'm not 
> reading it in Binary mode, I'm actually reading it in as ascii + some 
> encoding (Encoding.default_external), which is IBM437
> 
> I'm still not entirely sure why something like this *shouldn't* round 
> trip appropriately though.

If you're under Windows, ruby/C will translate \r\n to \n on read and 
vice versa on write, unless you open the file in binary mode.
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