Hi

Probably this hint helps:

my @clauses;
foreach $node(@device_list) {
    my @get_data = split ' ' , $node;
    push @clauses, '(where node="' . $get_data[0] . "' and port="' . $
+get_data[1] . '")';
}
my $filter_string = join ' or ', @clauses;
# ...to be continued
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Best regards
McA