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From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: Reading huge files
Date: Wed, 10 Jan 2007 06:11:24 +0200	[thread overview]
Message-ID: <uvejfh66r.fsf@gnu.org> (raw)
In-Reply-To: <m2r6u3eq44.fsf@gmail.com> (message from Mathias Dahl on Wed, 10 Jan 2007 00:29:15 +0100)

> From: Mathias Dahl <mathias.dahl@gmail.com>
> Date: Wed, 10 Jan 2007 00:29:15 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Does this really work?  I think it won't: the underlying problem is
> > that for large files, END overflows the limits of the ELisp integer
> > type, and your suggestion doesn't resolve this fundamental problem.
> > So insert-file-contents will still barf with large files.
> >
> > Or am I missing something?
> 
> I have only tested the code below with a 700 MB large movie file, and
> that is probably within the bounds you talk about.  But even if it
> would fail (when does it fail?), being able to browse files hundreds
> of MB in size seems quite nice. Hence my new hack below.

If this is a 32-bit machine, then the Lisp integer overflows at
256MB.  If that's a 64-bit machine, then you don't need any tricks to
edit 700MB files.

  parent reply	other threads:[~2007-01-10  4:11 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-08 22:17 Reading huge files Leonid Grinberg
2007-01-09 15:24 ` Kevin Rodgers
2007-01-09 22:03   ` Eli Zaretskii
2007-01-11  6:30     ` Kevin Rodgers
     [not found]     ` <mailman.2957.1168497037.2155.help-gnu-emacs@gnu.org>
2007-01-11  6:55       ` Stefan Monnier
     [not found]   ` <mailman.2912.1168380222.2155.help-gnu-emacs@gnu.org>
2007-01-09 23:29     ` Mathias Dahl
2007-01-10  0:14       ` Leonid Grinberg
     [not found]       ` <mailman.2922.1168388054.2155.help-gnu-emacs@gnu.org>
2007-01-10  0:23         ` Mathias Dahl
2007-01-10  4:11       ` Eli Zaretskii [this message]
     [not found]       ` <mailman.2923.1168402283.2155.help-gnu-emacs@gnu.org>
2007-01-10  7:39         ` Mathias Dahl
2007-01-10 20:27           ` Eli Zaretskii
     [not found]           ` <mailman.2938.1168460877.2155.help-gnu-emacs@gnu.org>
2007-01-10 22:33             ` Giorgos Keramidas
2007-01-11  5:54       ` Stefan Monnier
2007-01-11  9:49         ` Mathias Dahl
2007-01-11 18:06           ` Markus Triska
2007-01-12  8:36             ` Mathias Dahl
     [not found] ` <mailman.2897.1168356311.2155.help-gnu-emacs@gnu.org>
2007-01-09 20:42   ` Andreas Roehler
2007-01-09 20:42   ` Andreas Roehler

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