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Date: Fri, 05 Apr 2002 19:02:33 +0300
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
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To: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
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In-reply-to: <3CAD9FB1.4DEC7F58@phekda.freeserve.co.uk> (message from Richard
	Dawe on Fri, 05 Apr 2002 13:59:29 +0100)
Subject: Re: redirection problem with perl
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> Date: Fri, 05 Apr 2002 13:59:29 +0100
> From: Richard Dawe <rich AT phekda DOT freeserve DOT co DOT uk>
> 
> Eli Zaretskii wrote:
> [snip]
> > I guess that's because you can't create a file without asking to
> > write to it.
> 
> That makes sense, but I have no idea if it's true. I'll write a test program
> later.

Thanks.

> But mkstemp should return a file descriptor that can be used for reading and
> writing. So perhaps _creatnew should only close and reopen the file, when it
> needs to change mode to open the file after creating it? I.e.:
> 
>     O_WRONLY -> just open it
>     O_RDONLY -> open it, close it, re-open it read-only
>     O_RDWR   -> just open it

I suggest to postpone the decision until you have time to play with a
test program and see if the initial RW open is indeed necessary.