my $command = "ps -ef | grep $version | grep online| awk '{print $2}'";
print "Invoking: >>>$command<<<\n";
my $output = `$command`;

##</code><code>##

my $command = sprintf q(ps -ef | grep %s | grep online| awk '{print $2}'), $version;
print "Invoking: >>>$command<<<\n";
my $output = `$command`;