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Re^2: Filter::Simple bug with here documents

by Ovid (Cardinal)
on Dec 02, 2005 at 05:09 UTC ( #513515=note: print w/ replies, xml ) Need Help??


in reply to Re: Filter::Simple bug with here documents
in thread Filter::Simple bug with here documents

What? You don't just randomly insert [$_] throughout your code to see what happens? :)

After much debugger work (and using the debugger with source filters is not fun), I found the error appeared to be coming from &Text::Balanced::extract_multiple. Since I couldn't get it to generate the error directly, I fell back to using an empty source filter and that kicked up the error. &Filter::Simple::gen_std_filter_for is the only place in Filter::Simple where extract multiple is called:

sub gen_std_filter_for { my ($type, $transform) = @_; return sub { my $instr; local @components; for (extract_multiple($_,$extractor_for{$type})) {

So naturally, right before that line I added this:

use Data::Dumper; warn Dumper( [ $_, $extractor_for{$type} ] );

At that point, the error went away, I sneezed and my head imploded (how Britney Spear's head fails to implode when she sneezes is another mystery I haven't solved). More playing around got that down to the "fix" which I posted.

Cheers,
Ovid

New address of my CGI Course.


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