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Mail Archives: cygwin-developers/2000/04/24/14:33:44

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Date: Mon, 24 Apr 2000 15:34:10 -0400
Message-Id: <200004241934.PAA06421@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: cygwin-developers AT sourceware DOT cygnus DOT com
In-reply-to: <20000424150424.A1421@cygnus.com> (message from Chris Faylor on
Mon, 24 Apr 2000 15:04:24 -0400)
Subject: Re: hybrid text/binary mount
References: <200004241831 DOT OAA05979 AT envy DOT delorie DOT com> <20000424150424 DOT A1421 AT cygnus DOT com>

> I was thinking that if a file had any characters whose ASCII code was
> < ' ' or >= DEL before the first \n, then the file would be considered
> binary.  Otherwise, the file would be text.  You could apply this heuristic
> to both input and output.

It's hard to apply it to output, because you don't know what the
program is going to write out.  At least on input, you can read a big
chunk (buffering does this anyway) and run some tests on the existing
data.

InfoZip has an automatic converter; we should see what heuristics it
uses, since it has a lot more history than we do.

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