while (<$fh>) {
    next if /^spawn/i .. /^right/i;
    if ( /(Cxxx Database Free Space)/ ) {
        $Ggroup = $1;
    }
    next if /Database\s+|Max Size|Size|Available|%Free|Disk Free|facxxxx|$uxdate.*/i;
    next if $. == 35 or $. == 36;
    next if /cacheaudit/i .. eof;
    $db     = +(split)[0];
    $mxsz   = +(split)[1];
    $mxsz1  = substr($mxsz, 0, -2);
    $mxunit = substr($mxsz, -2, 2);
    $sz     = +(split)[2];
    $sz1    = substr($sz, 0, -2);
    $szunit = substr($sz, -2, 2);
    $avail  = +(split)[3];
    $avail1 = substr($avail, 0, -2);
    $avunit = substr($avail, -2, 2);
    $free   = +(split)[4];
    $dfree  = +(split)[5];
    $dfree1 = substr($dfree, 0, -2);
    $dfunit = substr($dfree, -2, 2);

$cacheDBs{$db} = {
        'mxs'   => {$mxsz1, $mxunit},
        'sz'    => $sz1,
        'avail' => $avail1,
        'free'  => $free,
        'dfree' => $dfree1,
    };
for my $key (keys %cacheDBs) {
    print "\n/opt/freeware/bin/gmetric -n $db -T $db -g $Ggroup -t double -u MaxSize -v $cacheDBs{$db}->{mxs} -d 45)\n";
}

__out__
/opt/freeware/bin/gmetric -n /cacxxx/pixxx/daxxx/ -T /cacxxx/pitxx/daxxx/ -g Caxxx Database Free Space -t double -u MaxSize -v HASH(0x2015d98c) -d 45)