From: Jacob Bandes-Storch
I've got several large-size CSV files (a total of about 1.25 million
lines, and an average of maybe 10 or so columns) that I want to parse
into a 2D array. I found some parsing code that uses NSScanner, and it
works fine with small files, but it's very resource-in
On Jul 30, 2008, at 08:14, Simone Tellini wrote:
Keep a prepared SQLite insert statement and reuse it for all the
lines, binding the parameters for each line. Don't load the whole
file in memory: it's just a waste of memory and time to allocate it.
Instead parse a line at a time.
mmap() m
Il giorno 30/lug/08, alle ore 06:55, Jacob Bandes-Storch ha scritto:
I've got several large-size CSV files (a total of about 1.25 million
lines, and an average of maybe 10 or so columns) that I want to
parse into a 2D array. I found some parsing code that uses
NSScanner, and it works fine
I've got several large-size CSV files (a total of about 1.25 million
lines, and an average of maybe 10 or so columns) that I want to parse
into a 2D array. I found some parsing code that uses NSScanner, and it
works fine with small files, but it's very resource-intensive and slow
with large
