my $tree = "/appl/perform/workspace/htdocs/node_reports";
opendir my $dh, $tree or die $!;
for my $node ( grep !( /^\./ || /^lost\+found$/), readdir $dh ) {
    print "$_\n" for grep !/^business_use\.$node$/, glob join( '/', $tree, $node, '*' );
}
closedir $dh;