Sorting Large File (Code/Performance)

[Stefan Behnel]

Ira.Kovac at gmail.com wrote:
>> What are you going to do with it after it's sorted?
> I need to isolate all lines that start with two characters (zz to be
> particular)

"Isolate" as in "extract"? Remove the rest?

Then why don't you extract the lines first, without sorting the file? (or sort
it afterwards if you still need to). That would heavily cut down your memory
footprint.

Stefan