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Date: Wed, 24 Aug 2011 10:56:43 -0400
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Subject: Re: [9fans] edit a huge file
From: Russ Cox <rsc@swtch.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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> no, but the whole file is read. =C2=A0additionally, many 32-bit offsets a=
re used.
>
> (cf. Range, Block, Disk, Buffer.cqi Elog, File.ntext, Text, Expand, in ac=
me/dat.h)
>
> i don't think it would be that hard to modify acme to handle large files,
> but you'd have to convince it to not read the entire file preemptively to
> make this a useful feature.

that's not true.  it's still useful even with the temporary copy.
and the temporary copy makes sure things aren't changing
out from under acme's feet.

russ