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Postings from January 2004
Elizabeth Mattijsen wrote:
> Could anyone explain to me why this little gem:
>
> =========================================
> BEGIN {
> unshift( @INC,sub {
> my $data; open( my $in,'<',\$data );
> } );
> }
> use Foo;
> =========================================
>
> dies with the error:
>
> Recursive call to Perl_load_module in PerlIO_find_layer line 3.
> BEGIN failed--compilation aborted line 6.
> BEGIN failed--compilation aborted line 6.
Because it tries to load PerlIO::Scalar while trying to load
PerlIO::Scalar.
> I ran into this while developing my new "ifdef" pragma (soon to be
> found on CPAN, now also available from http://www.liz.nl/CPAN ).
>
> I actually don't need the functionality to create a handle on a
> scalar while in an @INC handler anymore, as I've chosen a line based
> approach. But it still makes me wonder why this is would be a
> problem. And if and how it can be circumvented.
You can shift() instead of unshift(), or load PerlIO::Scalar explicitly.
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