# create async executor SINGLETON object
 my $mojox_run = MojoX::Run->singleton();
 
 # simple usage
 my $pid = $mojox_run->spawn(
        cmd => "ping -W 2 -c 5 host.example.org",
        exit_cb => sub {
                my ($pid, $res) = @_;
                print "Ping finished with exit status $res->{exit_val}.\n";
                print "\tSTDOUT:\n$res->{stdout}\n";
                print "\tSTDERR:\n$res->{stderr}\n";
        }
 );
 # check for injuries
 unless ($pid) {
        print "Command startup failed: ", $mojox_run->error(), "\n";
 }