+=item referral_cust_main [ DEPTH [ EXCLUDE_HASHREF ] ]
+
+Returns an array of customers referred by this customer (referral_custnum set
+to this custnum). If DEPTH is given, recurses up to the given depth, returning
+customers referred by customers referred by this customer and so on, inclusive.
+The default behavior is DEPTH 1 (no recursion).
+
+=cut
+
+sub referral_cust_main {
+ my $self = shift;
+ my $depth = @_ ? shift : 1;
+ my $exclude = @_ ? shift : {};
+
+ my @cust_main =
+ map { $exclude->{$_->custnum}++; $_; }
+ grep { ! $exclude->{ $_->custnum } }
+ qsearch( 'cust_main', { 'referral_custnum' => $self->custnum } );
+
+ if ( $depth > 1 ) {
+ push @cust_main,
+ map { $_->referral_cust_main($depth-1, $exclude) }
+ @cust_main;
+ }
+
+ @cust_main;
+}
+
+=back
+
+=head1 SUBROUTINES
+
+=over 4
+
+=item rebuild_fuzzyfile
+
+=cut
+
+sub rebuild_fuzzyfiles {
+ my @all_last = map $_->getfield('last'), qsearch('cust_main', {});
+ push @all_last,
+ grep $_, map $_->getfield('ship_last'), qsearch('cust_main',{})
+ if defined dbdef->table('cust_main')->column('ship_last');
+# open(
+
+}
+