use fcntl qw(:DEFAULT :flock);
use DB_File; 

$lck = $path/whosonline . ".lockfile";
sysopen(DBLOCK, $LCK, O_RDONLY | O_CREAT) or die "can't open $lck: $!";

flock(DBLOCK, LOCK_SH) or die "cant lock_sh $lck: $1";

dbmopen %who, "$path/whosonline", 0666  or die "Can't open FILENAME: $!\n";# open database, accessed through %mname

tie %who, "DB_File", "$path/whosonline" or die "Can't open FILENAME: $!\n";    	# open database  tie hash to db

$V = $who{$points};            	# retrieve from database this is the key
$who{$Account::cata_acc} = "$time";            	# put value into database      this is the value
if (exists $who{"$Account::cata_acc"}) {   	# check whether in database
}
untie %who ;
dbmclose %who;        		# close the database
close DBLOCK;
#done checking whosonline