[Tutor] Re: Linked Lists

[Kalle Svensson]

Sez VanL:
> Say, for instance, that you have a 10MB file.  Is readlines() smart
> enough to not load the whole thing into
> memory at once?  I know that readline() will only return one line,
> but it was my impression that it was a one-at a time dispatching
> from an in-memory list.

IIRC:
read() and readline() read directly from the file, not from memory.
readlines() reads the entire file into memory.
xreadlines() (new in 2.1) reads a line at a time (or something), but
supports the list interface.

Peace,
  Kalle
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