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Postings from October 2003
On Thu, Oct 16, 2003 at 12:07:03AM +0200, Abigail wrote:
> > Do we document that STDERR is a filehandle open to a tty?
>
> What undocumented features are you talking about?
>
> >From 'man perlopentut':
>
> Perl's "open" function was designed to mimic the way com
> mand-line redirection in the shell works.
>
> In the shell, dupping stderr for read works just fine.
>
> Furthermore, the ability to open STDERR for reading isn't a Perl specific
> side-effect; it's a UNIX thing.
>
> Finally, in Perl, including 5.8.1 and 5.9.0, dupping file-descriptor 2
> for reading works fine. This works ok:
>
> open STDERRIN, "<&2" or die $!;
>
> and this doesn't:
>
> open STDERRIN, "<&STDERR" or die $!;
Ok, I concede.
--
Michael G Schwern schwern@pobox.com http://www.pobox.com/~schwern/
Ya gotta figure whatever you come up with is gonna be about as portable
as a flypress.
-- Brian Ingerson on advanced make usage
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