if( $vmServerIP =~ m/^(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)\.(\d\d?\d?)/ ){
    if($1 <= 255 && $2 <= 255 && $3 <= 255 && $4 <= 255){
      open (my $oldhfile, ,'<', $hfilepath) or die "Could not open $hfilepath for reading.";
      my @hfile = <$oldhfile>;