$uptime=`cat /proc/uptime`;
print ref(\$uptime)," $uptime\n";
$uptime*=1;
print ref(\$uptime)," $uptime\n";
##</code><code>##

SCALAR 12844.72 24452.05

SCALAR 12844.72

##</code><code>##

$uptime=`cat /proc/uptime`;
print ref(\$uptime)," $uptime\n";
$uptime*=2;
print ref(\$uptime)," $uptime\n";
##</code><code>##

SCALAR 12956.65 24667.72

SCALAR 25913.3