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Postings from December 2001
On Wed, Dec 05, 2001 at 08:37:49AM -0600, Richard_Cox@Dell.com wrote:
> On 5 December 2001 14:29, BooK [mailto:philippe.bruhat@free.fr] wrote:
> > En réponse à Piers Cawley <pdcawley@bofh.org.uk>:
> >
> >
> > > perl -e '*{" "} = sub {42}; print &{" "}'
> > >
> > > I can't pretend that I *like* this, but it has a certain
> > cute insanity
> > > to it.
> >
> > Since the symbol table is a hash, I'd say that the empty sub
> > exists, too.
> >
> > perl -e '*{""} = sub {13}; print &{""}'
> >
> > I may be wrong, since this is not tested. I do not have Perl here.
> > (I feel like I read that in Effective Perl Programming, but
> > can't find it
> > there)
> >
>
> With fixes for Win2k's command shell, it does indeed work...
>
> perl -e "*{''} = sub {13}; print &{''}"
>
> The real question is of course, is this any use apart from obfustication
> (clearly not for golf with such a long name)?
About as much use as &{"asdfu()132^^7q230"}.
But noone ever questions the use of &{"asdfu()132^^7q230"}. Why should
&{""} need any special justification?
Abigail
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