From: Tim Hunter <rmagick@...>
Date: 2009-07-15T03:56:15+09:00
Subject: Re: sysread problems

__ __ wrote:
> I want to open a file and store its contents in an array.  When I read
> the documentation for sysread, it seemed to be just what I wanted.
> However, when I actually run my code, it returns only part of the file
> successfully.  It seems the amount of the file returned successfully
> varies with the file, but it is always vastly smaller than the file
> itself, and it always starts at the beginning of the file.  For example,
> with a file about 1 MB in size, the amount sysread returned successfully
> was about 500 bytes.  

If you're running on Windows, and the files you're reading contain 
binary data (that is, not plain text), then I'm guessing that Ruby is 
encountering a ^Z character and interpreting it as EOF. You can fix this 
by opening the file in binary mode, i.e. "rb" instead of plain "r".

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