[R] Manage huge database

[José E. Lozano]

> So is each line just ACCGTATAT etc etc?

Exacty, A_G, A_A, G_G and the such.

> If you have fixed width fields in a file, so that every line is the
> same length, then you can use random access methods to get to a
> particular value - just multiply the line length by the row number you

Nice hint! I didn’t think on this. But I fear that if I have missing values
on the file I wont be able to read the right information...

> When doing this, it's a good idea to test your dataset first to make
> sure the lines and fields are right.

Yes, I am trying to figure out if all the lines have the exact same lenght
to use a random access method to read it.

Thanks,
Jose Lozano