use File::Path	    qw< make_path >; # this should be added at the top

sub MakeNewDirs
{
    my( @newDirs )= @_;
    for my $dir (  @newDirs  ) {
        if(  -d $dir  ) {
            warn "mkdir $dir: Already exists.\n";
        } elsif(  make_path( $dir )  ) {
            warn "mkdir $dir\n";
        } else {
            warn "Can't mkdir $dir: $!\n";
        }
    }
}