Ok, I think I might be on to something good...or it could be colossally stupid, I'm not sure which. If I could indulge your attention for a little bit more, I'd appreciate it.

So check this out:

# prints out short name of all "txt-files"
$da->bundle_txt_files->do->print_short_names;
[download]

And here is the iterator built using your suggestions (I changed the "all" method name to "do," which seemed to make more sense):

package File::Collector::Iterator ;
use strict;
use warnings;

use Carp;
use Log::Log4perl::Shortcuts       qw(:all);

my $collector;           # private package variable for storing the Fi
+le::Collector 

sub print_short_names {
  my $s = shift;
  print $collector->{files}{$s->selected_file}{short_path} . "\n";   #
+ uses the File::Collector object to look up short path
}

sub new {
  my $class = shift;
  $collector = shift;      # new gets passed the $collector from File:
+:Collector AUTOLOAD
  bless [@_], $class;
}

sub next {
  my $self = shift;
  shift @$self;
  return $self->[0];
}

sub selected_file { (shift)->[0] }


# do method of executing methods on child classes
sub do {
  my $self = shift;
  bless \$self, 'File::Collector::Iterator::All';
}

{
  package File::Collector::Iterator::All;
  use Log::Log4perl::Shortcuts       qw(:all);
  sub AUTOLOAD {
    our $AUTOLOAD;
    my $self = shift;
    my @method = split /::/, $AUTOLOAD;
    my $method = pop @method;
    $$self->$method(@_) while ($$self->next);
  }
}
[download]

What do you think? Is this a good solution?

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