my $fh;
open($fh, '-|', 'mysql --protocol=TCP -P PORT_N -u root -D test -e "select 1 from mysql.user where User = \'root\' and Host = \'HOSTIPV4\'"');
my $line = <$fh>;
my $fh;
open($fh, '-|', 'mysql --protocol=TCP -P PORT_N -u root -D test -e "select 1 from mysql.user where User = \'root\' and Host = \'HOSTIPV4\'"');
my $line = <$fh>;