From: Greg Hauptmann <greg.hauptmann.ruby@...>
Date: 2006-12-04T06:20:05+09:00
Subject: Re: File.size() returning negative for large files ????

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where do you get win32-file?  I don't see it in the api or on the wiki?  Is
it a gem I have to load?

Tks


On 12/4/06, Daniel Berger <djberg96@gmail.com> wrote:
>
> Pedro Fortuny Ayuso wrote:
> > On 12/3/06, Eric Hodel <drbrain@segment7.net> wrote:
> >>
> >> On Dec 3, 2006, at 24:30 , Greg Hauptmann wrote:
> >> > On 12/3/06, Damjan Rems <d_rems@yahoo.com> wrote:
> >> >> Greg Hauptmann wrote:
> >> >>> I'm getting a negative number being returned for large files when
> >> >>> using File.size()???  Any ideas?  One of my ruby books says an
> >> >>> Integer can be any size??
> >> >>>
> >> >>> I'm using:
> >> >>> - File.size(path)
> >> >>> - getting negative number responses for large files (e.g.
> >> >>> -1001581 where file was really around 3.2GB)
> >> >>
> >> >> It is not yours, but Windows fault.
> >> >
> >> > Is there a work around for this guys?
> >>
> >> [-1001581].pack('l').unpack('L').first # => 4293965715
> >
> >
> > However, notice that for VERY large files, (larger than 4Gb, I guess,
> > or 4294967296 bytes), that method fails also
> >
> > [4294967296].pack('l')
> >
> > is the same as
> >
> > [4294967296*2].pack('l')
> >
> > So something different ought to be used. You might as well get
> > the info from "system (dir)" or similar for your specific case.
> >
> > Pedro
> >
> >
> >
>
> Try 'Q' instead.  Or, just use win32-file. :)
>
> Regards,
>
> Dan
>
>

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