Arrays.sort(perms);
permutationLists = new LongStoreReaderDisk [options.numPermutations];
for(int i = 0; i < options.numPermutations; i++)
{
String permName = perms[i];
permutationLists[i] = new LongStoreReaderDisk(new File(rawDir, permName).getAbsolutePath());
}
}