foreach (@test_node_list) {
    if (-e "/usr/adm/best1_default/collect/$_/noInstance") { # It probably is a node with data
        if (-e "/usr/adm/best1_default/manager/$_") {        # It has a vis files directory
            push @node_list, $_;
            if (-e "/usr/adm/best1_default/manager/$_/$vis_year$vis_month$vis_zero$vis_day*.vis") {
                print;
        }
     }
}