my $count = 0;

foreach (@temp_files) {
	$count++;
	print "$program run #$count with temp file \"$_\"...\n";
	my $pid = $pm->start and next; 
	
	system("$program < $_ &"); #Run program located in $PATH
	sleep 3;
	
	if (($count%2) == 0) {
		print "even run number\n";
		#somehow wait for the 2 children processes
                #$pm -> wait_all_children()?
	}
    $pm->finish; # Terminates the child process
}