- num = driverGroups(newFName + toString(getpid()) + ".temp", newNName + toString(getpid()) + ".temp", newMFile, lines[process].start, lines[process].end, groups);
+ num = driverGroups(newFName + m->mothurGetpid(process) + ".temp", newNName + m->mothurGetpid(process) + ".temp", newMFile, lines[process].start, lines[process].end, groups);