Finding size of Variable

[Asaf Las]

On Tuesday, February 4, 2014 2:43:21 PM UTC+2, Ayushi Dalmia wrote:
> 
> As I said, I need to merge large files and I cannot afford more I/O 
> operations. So in order to minimise the I/O operation I am writing in 
> chunks. Also, I need to use the merged files as indexes later which 
> should be loaded in the memory for fast access. Hence the concern.
> Can you please elaborate on the point of taking lines into consideration?

have you tried os.sendfile()? 

http://docs.python.org/dev/library/os.html#os.sendfile