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Postings from December 2001
On Wed, Dec 05, 2001 at 10:05:16AM -0500, Ala Qumsieh wrote:
>
> Bernie writes:
> > On 5 Dec 2001, at 14:09, Eugene van der Pijll wrote:
> >
> > > Bernie Cosell schreef op 05 december 2001:
> > > > Meta-question: since Perl is content to try to *call*
> > '&main::;' is there
> > > > some trickery to *DEFINE* such a subroutine? For example, trying:
> > > > main:: { die; }
> > > > gets you what I would have expected in the '..&' case: a
> > syntax error for a
> > > > missing subroutine name.
> > >
> > > perl -e'*;=sub {1}; print &;'
> >
> > good heavens.. the actual subroutine name is semi-colon?? So
> > the name isn't
> > missing and isn't null, but is ';'. I'm not sure that that
> > doesn't make it
> > MORE confusing to me --- Are there other punctuation marks
> > that work in that
> > context??
>
> I was certainly amused when I understood what 11..& meant, but it didn't
> amaze me a single bit. Afterall, Perl defines the global variable $; so
> there already is a symbol table entry for ';', thus you can certainly define
> a subrouting called '::;'.
>
> How someone would think of doing that is another question though :)
Yeah, but you know, one can leave out the final semi colon ....
echo "Foo" | perl -nle '*;=sub{1};print&'
Abigail
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