list comprehension help
Shane Geiger
sgeiger at ncee.net
Mon Mar 19 01:50:54 EDT 2007
Since you are dealing with that much information perhaps pytables would
be useful to you. http://pytables.sourceforge.net
rkmr.em at gmail.com wrote:
> Hi
> I need to process a really huge text file (4GB) and this is what i
> need to do. It takes for ever to complete this. I read some where that
> "list comprehension" can fast up things. Can you point out how to do
> it in this case?
> thanks a lot!
>
>
> f = open('file.txt','r')
> for line in f:
> db[line.split(' ')[0]] = line.split(' ')[-1]
> db.sync()
>
--
Shane Geiger
IT Director
National Council on Economic Education
sgeiger at ncee.net | 402-438-8958 | http://www.ncee.net
Leading the Campaign for Economic and Financial Literacy
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